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5. Deploying to IBM Cloud

This step takes what we’ve built so far and optimizes the app for a production environment. We’ll be deploying the production build to IBM Cloud.

Note: The following tutorial instructions are based on our v10 packages and have not been updated to reflect changes for our next major version.

Preview

A preview of what you’ll build (visually no different, but built for production):

Fork, clone and branch

This tutorial has an accompanying GitHub repository called carbon-tutorial that we’ll use as a starting point for each step. If you haven’t forked and cloned that repository yet, and haven’t added the upstream remote, go ahead and do so by following the step 1 instructions.

Branch

With your repository all set up, let’s check out the branch for this tutorial step’s starting point.

git fetch upstream
git checkout -b react-step-5 upstream/react-step-5

Note: This builds on top of step 4, but be sure to check out the upstream step 5 branch because it includes the static assets required to get through this step.

Build and start app

Install the app’s dependencies (in case you’re starting fresh in your current directory and not continuing from the previous step):

yarn

Then, start the app:

yarn start

You should see something similar to where the previous step left off.

Create IBM Cloud account

Before we get started, create an IBM Cloud account if you don’t already have one, as we’ll be deploying there in a bit.

Build for production

Before we deploy our app, we need to create an optimized production build with this command. You may need to CTRL-C to stop the development environment first.

yarn build

Looking at package.json, you’ll find yarn build to run react-scripts build. This builds the app for production to the build folder. It bundles React in production mode and optimizes the build for the best performance. It even goes so far to minify files and include hashes in filenames for caching.

As a lot of this may seem like magic since the build configuration came from Create React App, go ahead and check out their production build guidelines for a full description of what’s happening.

Create manifest file

Now that we have a production build, let’s get it on the cloud. We’re going to use staticfile-buildpack to deploy our webapp. Since this is a Cloud Foundry buildpack, we’ll be using the cf command line interface (CLI). If running cf --help doesn’t work for you, chances are you need to install the CLI.

Note: If unfamiliar with buildpacks, the staticfile buildpack docs has good definitions and configuration documentation.

With the Cloud Foundry CLI installed, next, we need to create a manifest.yml file in the root of the project. To prevent multiple apps trying to use the carbon-tutorial name, replace USERNAME with your GitHub username below to make sure our apps are uniquely named.

manifest.yml
---
applications:
- name: carbon-tutorial-USERNAME
memory: 64M
buildpack: https://github.com/cloudfoundry/staticfile-buildpack.git

Note: With this set-up we’re still using a GitHub personal access token saved in .env.local. If you haven’t created a GitHub access token yet, see step 3. You can put the environment variable in the manifest file, or manually add it in the IBM Cloud dashboard, but since we’re building off previous tutorial steps nothing more is needed.

Create static file

Create a new static file in the root of the project named Staticfile. This tells the app to deploy from the build folder and not the root of the project.

Staticfile
root: build

Cloud Foundry ignore

After telling Cloud Foundry what to include, we can also specify what to ignore. Create a top-level .cfignore file. Cloud Foundry doesn’t let you push read-only files (specifically, files with permissions < 400), so to prevent issues with the deploy, add:

.cfignore
node_modules/.cache

You can speed up deploys by decreasing the files uploaded through cloud foundry. To accomplish this, ignore any folder not required by the production application on IBM Cloud.

In our case we can ignore everything except the build/ directory and Staticfile. To speed up our deploys change .cfignore to:

.cfignore
*
!Staticfile
!build

Deploy app

Login to IBM Cloud with:

cf login -a https://api.us-south.cf.cloud.ibm.com --sso

Deploy app using the cf push command. Since manifest.yml is in our root directory, we don’t need to specify it in the push command. But, if you have multiple manifest files that target different environments, it’s good practice to specify the file.

Note: This step assumes your spaces are in the US South region. To successfully deploy, you might need to update the region code (e.g. api.[REGION].cf.cloud.ibm.com) to the region where your spaces were created, or create a space in the US South region. Learn more.

cf push -f manifest.yml

To make it easy on ourselves by not needing to remember that command, let’s add a script in package.json. We can combine the build and deploy steps to make sure we only deploy immediately after running the build. In the "scripts" object in package.json, add:

package.json
"deploy": "rm -rf ./build && yarn build && cf push -f manifest.yml"

Next time you want to deploy, you can simply run yarn deploy.

Submit pull request

That does it! We’re going to submit a pull request to verify completion of this tutorial step. In doing so, please include the mybluemix.net URL for your deployed app in your pull request description.

Continuous integration (CI) check

Run the CI check to make sure we’re all set to submit a pull request.

yarn ci-check

Note: Having issues running the CI check? Step 1 has troubleshooting notes that may help.

Git commit and push

Before we can create a pull request, stage and commit all of your changes:

git add --all && git commit -m "feat(tutorial): complete step 5"

Then, push to your repository:

git push origin react-step-5

Note: Having issues pushing your changes? Step 1 has troubleshooting notes that may help.

Pull request (PR)

Finally, visit carbon-tutorial to “Compare & pull request”. In doing so, make sure that you are comparing to react-step-5 into base: react-step-5.

Note: Expect your tutorial step PRs to be reviewed by the Carbon team but not merged. We’ll close your PR so we can keep the repository’s remote branches pristine and ready for the next person!

Note: If your PR fails the CircleCI test with the error Can't make a request in offline mode, try running the following command: rm -rf .yarn-offline-mirror node_modules && yarn cache clean && yarn install. Add and commit the changes once this completes, and try pushing again.