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      DigitalOcean App Platform: New Features and Enhancements

      How to Join

      This Tech Talk is free and open to everyone. Register below to get a link to join the live stream or receive the video recording after it airs.

      Date Time RSVP
      September 1, 2021 11 a.m.–12 p.m. ET / 3–4 p.m. GMT

      About the Talk

      App Platform is DigitalOcean’s Platform as a Service (PaaS) that lets you build, deploy, and scale applications quickly. Let’s take a look at all its cool new features, and how you can use them.

      What You’ll Learn

      This Talk Is Designed For

      Developers that want to simplify your deployments


      App platform docs

      To join the live Tech Talk, register here.

      Source link

      How To Use ActiveStorage in Rails 6 with DigitalOcean Spaces

      The author selected the Diversity in Tech fund to receive a donation as part of the Write for DOnations program.


      When you’re building web applications that let users upload and store files, you’ll want to use a scalable file storage solution. This way you’re not in danger of running out of space if your application gets wildly popular. After all, these uploads can be anything from profile pictures to house photos to PDF reports. You also want your file storage solution to be reliable so you don’t lose your important customer files, and fast so your visitors aren’t waiting for files to transfer. ou’ll want this all to be affordable too.

      DigitalOcean Spaces can address all of these needs. Because it’s compatible with Amazon’s S3 service, you can quickly integrate it into a Ruby on Rails application using the new ActiveStorage library that ships with Rails 6.

      In this guide, you’ll configure a Rails application, so it uses ActiveStorage with DigitalOcean Spaces. You’ll then run through the configuration necessary to get uploads and downloads blazing fast using direct uploads and Spaces’ built-in CDN (Content Delivery Network).

      When you’re finished, you’ll be ready to integrate file storage with DigitalOcean spaces into your own Rails application.


      Before you begin this guide, you’ll need the following:

      Step 1 — Getting the Sample App Running

      Rather than build a complete Rails application from scratch, you’ll clone an existing Rails 6 application that uses ActiveStorage and modify it to use DigitalOcean Spaces as its image storage backend. The app you’ll work with is Space Puppies, an image gallery that will let people upload and view photographs of their favorite puppies. The application looks like the following figure:

      The Space Puppies application running in a web browser

      Open your terminal and clone the application from GitHub with the following command:

      • git clone

      You’ll see output that looks similar to this:


      Cloning into 'space-puppies'... remote: Enumerating objects: 122, done. remote: Counting objects: 100% (122/122), done. remote: Compressing objects: 100% (103/103), done. remote: Total 122 (delta 3), reused 122 (delta 3), pack-reused 0 Receiving objects: 100% (122/122), 163.17 KiB | 1018.00 KiB/s, done. Resolving deltas: 100% (3/3), done.

      Next, check your Ruby version. Space Puppies uses Ruby 2.7.1, so run rbenv versions to check which version you have installed:

      If you’ve followed the prerequisite tutorials, you’ll only have Ruby 2.5.1 in that list, and your output will look like this:


      * system 2.5.1

      If you don’t have Ruby 2.7.1 in that list, install it using ruby-build:

      Depending on your machine’s speed and operating system, this might take a while. You’ll see output that looks like this:


      Downloading ruby-2.7.1.tar.bz2... -> Installing ruby-2.7.1... Installed ruby-2.7.1 to /root/.rbenv/versions/2.7.1

      Change to the space-puppies directory:

      rbenv will automatically change your Ruby version when you enter the directory. Verify the version:

      You’ll see output similar to the following:


      ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [x86_64-linux]

      Next, you will install the Ruby gems and JavaScript packages that the app needs to run. Then you’ll the database migrations needed for the Space Puppies app to run.

      Install all the necessary gems using the bundle command:

      Then, to tell rbenv about any new binaries installed by Bundler, use the rehash command:

      Next, tell yarn to install the necessary JavaScript dependencies:

      Now create the database schema with Rails’ built-in migration tool:

      With all the libraries installed and the database created, start the built-in web server with the following command:

      Note: By default, rails s only binds to the local loopback address, meaning you can only access the server from the same computer that runs the command. If you’re running on a Droplet and you’d like to access your server from a browser running on your local machine, you’ll need to tell the Rails server to respond to remote requests by binding to You can do that with this command:

      Your server starts, and you’ll receive output like this:


      => Booting Puma => Rails application starting in development => Run `rails server --help` for more startup options Puma starting in single mode... * Version 4.3.5 (ruby 2.7.1-p83), codename: Mysterious Traveller * Min threads: 5, max threads: 5 * Environment: development * Listening on tcp:// * Listening on tcp://[::1]:3000 Use Ctrl-C to stop

      Now you can access your application in a web browser. If you’re running the application on your local machine, navigate to http://localhost:3000. If you’re running on a Droplet or other remote server, then navigate to http://your_server_ip:3000.

      You’ll see the app’s interface, only this time without any puppies. Try adding a couple of images by clicking the New Puppy button.

      The Space Puppies application running in a web browser

      If you need puppy photos to use for testing, Unsplash has an extensive list you can use for testing. Review the Unsplash license if you plan to use these images in your projects.

      Before moving on, let’s walk through each layer of the application and look at how ActiveStorage works with each part so you can make the necessary changes for DigitalOcean Spaces. For a more detailed look at ActiveStorage, read the Active Storage Overview page in the official Rails documentation.

      First, look at the model, which represents an object in your application that you’re storing in the database. You’ll find the Puppy model in app/models/puppy.rb. Open this file in your text editor and you’ll see this code:


      class Puppy < ApplicationRecord
        has_one_attached :photo

      You’ll find the has_one_attached macro in the model, which indicates there’s a photo attached to each Puppy model instance. These photos will be stored as ActiveStorage::Blob instances via an ActiveStorage::Attached::One proxy.

      Close this file.

      The next layer up the stack is the controller. In a Rails application, the controller is responsible for controlling access to database models and responding to requests from the user. The corresponding controller for the Puppy model is the PuppiesController which you will find in app/controllers/puppies_controller.rb. Open this file in your editor and you’ll see the following code:


      class PuppiesController < ApplicationController
        def index
          @puppies = Puppy.with_attached_photo
        # ... snipped other actions ...

      Everything in the file is standard Rails code, apart from the with_attached_photo call. This call causes ActiveRecord to load all of the associated ActiveStorage::Blob associations when you fetch the list of Puppy models. This is a scope that ActiveStorage provides to help you avoid an expensive N+1 database query.

      Finally, let’s look at the views, which generate the HTML your application will send to the user’s browser. There are a few views in this app, but you’ll want to focus on the view responsible for showing the uploaded puppy image. You’ll find this file at app/views/puppies/_puppy.html.erb. Open it in your editor, and you’ll see code like this:


      <div class="puppy">
        <%= image_tag [250, 250]) %>

      ActiveStorage is designed to work with Rails, so you can use the built-in image_tag helper to generate a URL that points to an attached photo, wherever it happens to be stored. In this case, the app is using the variant support for images. When the user first requests this variant, ActiveStorage will automatically use ImageMagick via the image_processing gem, to generate a modified image fitting our requirements. In this case, it will create a puppy photo filling a 250x250 pixel box. The variant will be stored for you in the same place as your original photo, which means you’ll only need to generate each variant once. Rails will serve the generated version on subsequent requests.

      Note: Generating image variants can be slow, and you potentially don’t want your users waiting. If you know you’re going to need a particular variant, you can eagerly generate it using the .processed method: [250, 250]).processed

      It’s a good idea to do this kind of processing in a background job when you deploy to production. Explore Active Job and create a task to call processed to generate your images ahead of time.

      Now your application is running locally, and you know how all the code pieces fit together. Next, it’s time to set up a new DigitalOcean Space so you can move your uploads to the cloud.

      Step 2 — Setting up your DigitalOcean Space

      At the moment, your Space Puppies application stores images locally, which is fine for development or testing, but you almost certainly don’t want to use this mode in production. In order to scale the application horizontally by adding more application server instances, you’d need copies of each image on every server.

      In this step, you’ll create a DigitalOcean Space to use for your app’s images.

      Sign in to your DigitalOcean management console, click Create in the top right, and choose Spaces.

      Pick any data center and leave the CDN disabled for now; you’ll come back to this later. Ensure the file listing is set to Restrict File Listing.

      Choose a name for your Space. Remember that this will have to be unique across all Spaces users, so pick a unique name, like yourname-space-puppies. Click Create a Space:

      A screenshot of the DigitalOcean create space form with a name filled  in

      Warning: Be careful about access to the files you store on behalf of your customers. There have been many examples of data leaks and hacks due to misconfigured file storage. By default, ActiveStorage files are only accessible if you generate an authenticated URL, but it’s worth being vigilant if you’re dealing with customer data.

      You’ll then see your brand new Space.

      Click the Settings tab and take a note of your Space’s endpoint. You’ll need that when you configure your Rails application.

      Next, you’ll configure the Rails application to store ActiveStorage files in this Space. To do that securely, you need to create a new Spaces Access Key and Secret.

      Click API in the left navigation, then click Generate New Key in the bottom right. Give your new key a descriptive name like “Development Machine”. Your secret will only appear once, so be sure to copy it somewhere safe for a moment.

      A screenshot showing a Spaces access key

      In your Rails app, you’ll need a secure way to store that access token, so you’ll use Rails’ secure credential management feature. To edit your credentials, execute the following command in your terminal:

      • EDITOR="nano -w" rails credentials:edit

      This generates a master key and launches the nano editor so you can edit the values.

      In nano, add the following to your credentials.yml file, using your API key and secret from DigitalOcean:


        access_key: YOUR_API_ACCESS_KEY
        secret: YOUR_API_ACCESS_SCRET

      Save and close the file (Ctrl+X, then Y, then Enter), and Rails will store an encrypted version that’s safe to commit to source control in config/credentials.yml.enc.

      You will see output like the following:


      Adding config/master.key to store the encryption key: RANDOM_HASH_HERE Save this in a password manager your team can access. If you lose the key, no one, including you, can access anything encrypted with it. create config/master.key File encrypted and saved.

      Now that you’ve configured your credentials, you’re ready to point your app to your new Spaces bucket.

      Open the file config/storage.yml in your editor and add the following definition to the bottom of that file:


        service: S3
        endpoint: https://your-spaces-endpoint-here
        access_key_id: <%= Rails.application.credentials.dig(:digitalocean, :access_key) %>
        secret_access_key: <%= Rails.application.credentials.dig(:digitalocean, :secret) %>
        bucket: your-space-name-here
        region: unused

      Note that the service says S3 rather than Spaces. Spaces has an S3-compatible API, and Rails supports S3 natively. Your endpoint is https:// followed by your Space’s endpoint, which you copied previously, and the bucket name is the name of your Space, which you entered when creating it. The bucket name is also displayed as the title in your Control Panel when you view your Space.

      This configuration file will be stored unencrypted, so instead of entering your access key and secret, you’re referencing the ones you just entered securely in credentials.yml.enc.

      Note: DigitalOcean uses the endpoint to specify the region. However, you need to provide the region, or ActiveStorage will complain. Since DigitalOcean will ignore it, you can set it to whatever value you’d like. The value unused in the example code makes it clear that you’re not using it.

      Save the configuration file.

      Now, you need to tell Rails to use Spaces for your file storage backend instead of the local file system. Open config/environments/development.rb in your editor and change the config.active_storage.service entry from :local: to :digitalocean:


        # ...
        # Store uploaded files on the local file system (see config/storage.yml for options).
        config.active_storage.service = :digitalocean
        # ... 

      Save the file and exit your editor. Now start your server again:

      Visit http://localhost:3000 or http://your server ip:3000 in a browser once again.

      Upload some images, and the app will store them in your DigitalOcean Space. You can see this by visiting your Space in the DigitalOcean console. You will see the uploaded files and variants listed:

      files uploaded to a Space

      ActiveStorage uses random filenames by default, which is helpful when protecting uploaded customer data. Metadata, including the original filename, is stored in your database instead.

      Note: If you are getting an Aws::S3::Errors::SignatureDoesNotMatch, that might mean your credentials are incorrect. Run rails credentials:edit again and double-check them.

      Rails stores the names and some metadata about your files as ActiveStorage::Blob records. You can access the ActiveStorage::Blob for any of your records by calling an accessor method named after your attachment. In this case, the attachment is called photo.

      Try it out. Start a Rails console in your terminal:

      Grab the blob from the last puppy photo you uploaded:

      #=> => #<ActiveStorage::Blob ...>

      You now have a Rails Application storing uploads in a scalable, reliable, and affordable object store.

      In the next two steps, you’ll explore two optional additions you can make to the app that will help improve this solution’s performance and speed for your users.

      Step 3 — Configuring the Spaces CDN (Optional)

      Note: For this step, you will need a doman with name servers pointing to DigitalOcean. You can follow the How to Add Domains guide to do that.

      Using a Content Delivery Network (CDN) will allow you to provide faster downloads of files for your users by locating copies of the files closer to them.

      You can investigate CDN performance using a tool like Uptrends CDN Performance Check. If you add the URL for one of the photos you uploaded in the previous step, you’ll see things are fast if you happen to be nearby, but things get a little slower as you move away geographically. You can get the URL using the Developer Tools in your browser, or by starting a Rails console (rails c) and calling service_url on an attachment.


      Here’s an example Uptrends report with a file located in the San Francisco data center. Notice that the times decrease depending on the distance from San Francisco. San Diego has a short time, while Paris has a much longer time:

      An example Uptrends CDN Performance Report

      You can improve speeds by enabling Spaces’ built-in CDN. Go to Spaces in your DigitalOcean Control Panel and click the name of the Space you created in Step 2. Next, choose the Settings tab and click Edit next to CDN (Content Delivery Network), then click Enable CDN.

      Now you need to choose a domain to use for your CDN and create an SSL Certificate for the domain. You can do this automatically using Let’s Encrypt. Click the Use a custom subdomain dropdown and then Add a new subdomain certificate.

      Find the domain you’d like to use, then choose the option to create a subdomain. Something like is a standard naming convention. You can then give the certificate a name and click the “Generate Certificate and Use Subdomain” button.

      The filled-in Add Custom Subdomain form

      Press the Save button under CDN (Content Delivery Network).

      Your CDN is now enabled, but you need to tell your Rails Application to use it. This isn’t built into ActiveStorage in this version of Rails, so you’ll override some built-in Rails framework methods to make it work.

      Create a new Rails initializer called config/initializers/active_storage_cdn.rb and add the following code which will rewrite the URLs:


      Rails.application.config.after_initialize do
        require "active_storage/service/s3_service"
        module SimpleCDNUrlReplacement
          CDN_HOST = ""
          def url(...)
            url = super
            original_host = "#{}.#{}"      
            url.gsub(original_host, CDN_HOST)

      This initializer runs each time your application asks for a URL from an ActiveStorage::Service::S3Service provider. It then replaces the original, non-CDN host with your CDN host, defined as the CDN_HOST constant.

      You can now restart your server, and you’ll notice that each of your photos comes from the CDN. You won’t need to re-upload them, as DigitalOcean will take care of forwarding the content from the data center where you set up your Space out to the edge nodes.

      You might like to compare the speed of accessing one of your photos on Uptrends’ Performance Check site now to the pre-CDN speed. Here’s an example of using the CDN on a San Francisco-based Space. You can see a significant global speed improvement.

      The Uptrends CDN Performance Report after enabling the CDN

      Next you’ll configure the application to receive files directly from the browser.

      Step 4 — Setting up Direct Uploads (Optional)

      One last feature of ActiveStorage that you might like to consider is called a Direct Upload. Now, when your users upload a file, the data is sent to your server, processed by Rails, then forwarded to your Space. This can cause problems if you have many simultaneous users, or if your users are uploading large files, as each file will (in most cases) use a single app server thread for the entire duration of an upload.

      By contrast, a Direct Upload will go straight to your DigitalOcean Space with no Rails server hop in between. To do this, you’ll enable some built-in JavaScript that ships with Rails and configure Cross-Origin Resource Sharing([CORS](( on your Space so that you can securely send requests directly to the Space despite them originating in a different place.

      First, you’ll configure CORS for your Space. You will use s3cmd to do this, and you can follow Setting Up s3cmd 2.x with DigitalOcean Spaces if you haven’t configured this to work with Spaces yet.

      Create a new file called cors.xml and add the following code to the file, replacing your_domain with the domain you’re using for development. If you are developing on your local machine, you’ll use http://localhost:3000. If you’re developing on a Droplet, this will be your Droplet IP address:



      You can then use s3cmd to set this as the CORS configuration for your Space:

      • s3cmd setcors cors.xml s3://your-space-name-here

      There’s no output when this command runs successfully, but you can check that it worked by looking at your Space in the DigitalOcean Control Panel. Choose Spaces, then select the name of your Space, then select the Settings tab. You’ll see your configuration under the CORS Configurations heading:

      A successful CORS configuration for direct uploads

      Note: At the moment you need to use s3cmd rather than the Control Panel to configure CORS for “localhost” domains because the Control Panel treats these as invalid domains. If you’re using a non-localhost domain (like a Droplet IP) it’s safe to do it here.

      Now you need to tell Rails to use direct uploads, which you do by passing the direct_upload option to the file_field helper. Open app/views/puppies/new.html.erb in your editor and modify the file_field helper:


      <h2>New Puppy</h2>
      <%= form_with(model: @puppy) do |f| %>
        <div class="form-item">
          <%= f.label :photo %>
          <%= f.file_field :photo, accept: "image/*", direct_upload: true %>
        <div class="form-item">
          <%= f.submit "Create puppy", class: "btn", data: { disable_with: "Creating..." } %>
      <% end %>

      Save the file and start your server again:

      When you upload a new photo, your photo is uploaded directly to DigitalOcean Spaces. You can verify this by looking at the PUT request that’s made when you click the Create puppy button. You can find the requests by looking in your browser’s web console, or by reading the Rails server logs. You’ll notice that the image upload is significantly faster, especially for larger images.


      In this article you modified a basic Rails application using ActiveStorage to store files that are secure, fast, and scalable on DigitalOcean Spaces. You configured a CDN for fast downloads no matter where your users are located, and you implemented direct uploads so that your app servers will not be overwhelmed.

      You can now take this code and configuration and adapt it to fit your own Rails application.

      Source link

      How To Create and Publish a Jamstack Website with Stackbit and DigitalOcean App Platform


      Stackbit is a platform that allows you to collaborate on Jamstack sites, enabling your team to edit them visually instead of dealing with Markdown, git, or writing any code. You can take advantage of the benefits of the Jamstack, including better performance, tighter security, lower cost, and greater scalability, along with the convenience of inline visual editing. You can select from various themes to help get you started, which you can later customize. Once you have visually designed your Jamstack site and configured any optional integrations, you can deploy your site to the cloud.

      In this tutorial you will create a blog site based on Next.js, edit its design and content, and publish it to the DigitalOcean App Platform.


      To complete this tutorial, you’ll need:

      • A DigitalOcean account
      • A GitHub account. If you don’t have one, you can create one on the GitHub signup page
      • The DigitalOcean GitHub Application installed on your GitHub account. This application integrates your Github account with DigitalOcean App Platform, allowing you to create apps and websites directly from your code on Github and keep the latest version deployed

      Step 1 — Creating a New Stackbit Project

      To begin, you’ll need a Stackbit account, so visit Stackbit in your browser to create one if you don’t already have one. After you’ve created a username and password, you’ll receive a verification email. If you’re asked to connect your account to GitHub, you can skip that step for now; you’ll connect it later.

      Once you’ve created an account, click the Build Your Project button or visit Stackbit directly to create a new project. In the first step of the process, you’ll be prompted to choose a theme to get started with your website. Stackbit themes include base designs for a variety of uses. For blogging you can use the Fresh, Ampersand, or Fjord theme, or if you want to showcase a portfolio along with a blog, you can use the themes Exto or Agency. For a statically-generated storefront you can start with Planty. To see what the design looks like and the pages included on a theme, click on the Live Preview button under each theme.

      In this tutorial you will use the Ampersand theme to create a blog. Scroll down the theme page and select Ampersand.

      Select a Stackbit theme

      With your theme selected, you still need to do some more setup, including connecting your account to outside services.

      Step 2 — Connecting Your GitHub Account to Stackbit

      In addition to the default pages and design, a theme contains a Static Site Generator and a Headless CMS, as shown in the following image. A static site generator creates the final HTML and assets for your website, and the headless content management system (CMS) defines how to store the content used for your site.

      The next step of creating your initial site is choosing your static site generator and CMS. For this tutorial you can keep the defaults of NextJS for the static site generator and use a git-based CMS that will keep the content in git along with the site design.

      Since you’re using a git-based CMS, you’ll need to authorize Stackbit to create a new repo on your Github account. Click the Connect button under the GitHub logo and follow the steps to install the Stackbit App to GitHub.

      Connect GitHub to Stackbit

      After your GitHub account is connected, the Connect button will be replaced with a drop-down to let you configure your GitHub connection, but you can leave the default settings. Next, you’ll connect your DigitalOcean account.

      Step 3 — Connecting Your DigitalOcean Account to Stackbit

      When you publish your website, it will be deployed to DigitalOcean App Platform. Click the Connect button underneath the DigitalOcean logo to authorize Stackbit on your DigitalOcean account.

      Connect DigitalOcean to Stackbit

      After clicking on the Connect button, a popup will appear that will ask you to authorize Stackbit on your DigitalOcean account.

      Authorize Stackbit

      Now that your DigitalOcean account has been connected to Stackbit, check the box to acknowledge that you have already configured the DigitalOcean GitHub Application.

      Install DigitalOcean Github App

      With the required accounts now connected, you can more forward to create your site.

      Step 4 — Creating Your New Site in Stackbit

      To create your site, click the Create Site button. You will be taken to a page that is showing that your new site is being built and configured, and a live preview environment is being set up.

      Create your new Stackbit site

      Once the site is complete, a button labeled Launch Stackbit appears, which will enable you to make changes to your site.

      Step 5 — Visually Designing and Editing Your Site

      After the build process completes, you’ll be taken to the live preview environment, Stackbit Studio. Here you can make changes to the layout, images, content, and all the other components of your site by editing them in place with the visual editor.

      Your team can independently collaborate on writing articles, uploading images, and creating new landing pages for marketing campaigns.

      Stackbit Site Preview

      When you hover over an element, the cursor changes to indicate you can edit it, like this:

      Hover over an element

      When the element supports markup, an editor appears. Click on the Intro Section and update the text in the editor.

      Editing text in Stackbit Site Preview

      When you’re done editing the text, click the Save button to return to the preview. The changes are immediatly reflected in the layout.

      Changes reflected in Live Preview

      Next, you’ll edit one of the posts appearing in the homepage. Click on the image for the post titled “Basic Rules For Walking In The Mountains”. This will highlight the element in the preview as well as in the element list on the left. A tooltip will appear.

      Edit Image tooltip

      Click on the Edit Image button. It looks like a pencil drawing a line. An image selector will appear with all the assets your website already has. In this case, you’ll upload a new image to use.

      Image Selector

      You’ll replace the image with the same one with a Sammy overlaid. Download the image from DigitalOcean and save it locally.

      Click the Upload button and a dialog box will appear where you can choose the image; select the Sammy image you just downloaded. Once the picture is uploaded, select it and click Save. You should see the image update instantly in the live preview.

      Image Replaced with Sammy in preview

      Next, edit the post title. Click on it, and the tooltip should appear. Update the text with your own.

      Text edit tooltip

      Once you’re done, click anywhere in the shaded area and the title will be saved. The homepage should look like this:

      Page Preview after initial changes

      You can also edit posts in their own page. Click on the arrow next to Home to expand the page list section.

      Page list section

      Here you can click on a page to edit it, delete pages from the template that you don’t need, and create new ones. Since this website is using a blog template, the content for the posts is stored in the /posts folder. If you expand it you can see all the posts, and by clicking on one you can edit. Expand /postsand click on basic-rules-for-walking-in-the-mountains.

      Posts list expanded

      This will load the page for the corresponding post.

      Live Preview of Post

      As you can see, the title was updated, but the image used on the post page is the original one (without Sammy). This is because the post model used by the theme allows you to specify a different image for the blog feed than the single post. To see all the attributes you can customize on this page, use the element list on the left.

      Element list

      Editing elements in the list will change this post, but editing the elements in the Stackbit Ampersand Theme list below will affect the whole site. Next, change the date for the post. Click on the Date element:

      Date for the post in the elements list

      Set the date to today’s date and notice that the post has been updated in the live preview.

      You can also drop into the code and edit it directly (without local setup). In this mode you can edit your content using Markdown, as well as the theme elements. You’ll edit the copyright notice within the code editor, and then add a DigitalOcean Referral Badge to the bottom footer of your site.

      Click on <> Code in the top menu. You’ll see a split view with a code editor on the left and a live preview on the right.

      Code editor with Live Preview

      The code editor is open to the markup to edit the content of the blog post that you are previewing on the right. You’re not going to edit the post right now. Scroll down the live preview until you can see the footer with the copyright notice. Click on the notice and it will be highlighed and a tooltip will appear.

      Footer tooltip

      The left button takes you to the code that displays the footer, while the right button takes you to where the footer content is stored. Click the content button and look at the editor. The file config.json is now open.

      Editor open with config.json

      Replace the content of footer.contentwith &copy; Sammy. The live preview should update after a second to reflect the new value.

      Copyright changed

      Now click on the left tooltip button, which will open the editor to the file that renders the footer.

      Footer code

      Now add your referral badge in the box that contains the social media links. Copy the HTML for your unique referral badge inside the div that contains the social links. After the preview updates, it should look like this:

      Footer code changed and preview with referral badge

      Continue to make any other edits you want to your site. Every time you make changes, your preview will update. When you’re ready, you’ll publish the site in the next step.

      Step 6 — Publishing Your Site to DigitalOcean App Platform

      Once you are happy with your changes in the preview, click on the Publish button in the top right corner of the Stackbit editor to publish directly to App Platform.

      Publish your site

      You can publish the whole site, or just one page, either now or on a schedule. In this case, leave the default settings as they are and click on Publish. Now you’ll switch to the DigitalOcean App Platform account where a new starter App has been created, and a build and deployment is currently underway.

      Open the project settings by clicking on the gear icon next to the project name in the upper left. Then click on the Open button next to Connected Services > DigitalOcean:

      Open App Platform Dashboard

      This will take you to your project’s dashboard on DigitalOcean. If the deployment is still in progress, you should see a progress bar, with a link to the build logs as they’re happening.

      App Platform Dashboard

      If the build has already completed, you can also click on Deployments, which will show you the history of updates to your site.

      App Platform Deployments list

      Click on Details for the most recent deployment to see the build logs.

      App Platform build logs for most recent deployment

      Click on Live App in the status bar, or the link right below the heading, to check out your new static site running on App Platform.

      View your Stackbit site live on App Platform


      In this tutorial, you’ve built a new site with a Stackbit template, and deployed it to DigitalOcean’s App Platform. Stackbit’s visual creation, editing, and collaboration tools, combined with App Platform’s build and deployment capabilities, can get a Jamstack site ready to be shared with all the different stakeholders and deployed to the cloud in a short time.

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