Merge pull request #16 from jwarykowski/feat/environment-variables

feat: environment variables support

README.md

@@ -45,6 +45,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         AmplifyAppId: ${{ secrets.AMPLIFYAPPID }}
         BackendEnvARN: ${{ secrets.BACKENDENVARN }}
+        EnvironmentVariables: 'key1=value,key2=value'
         AWS_REGION: 'us-east-1'
 ```
 
@@ -59,6 +60,7 @@ The following settings must be passed as environment variables as shown in the e
 | `AWS_REGION` | The region where you created your bucket. Set to `us-east-1` by default. [Full list of regions here.](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#concepts-available-regions) | `env` | **Yes** | `us-east-1` |
 | `AmplifyAppId` | The unique ID for an Amplify app. For example, `d6a88fjhifqlks` | `secret env` | **Yes** | N/A |
 | `BackendEnvARN` | The Amazon Resource Name (ARN) for a backend environment that is part of the Amplify app. If the Amplify App has no backend environment, don't set it. | `secret env` | **No** | N/A |
+| `EnvironmentVariables` | The environment variables for the branch. | `env` | **No** | N/A |
 | `GITHUB_TOKEN` | The `GITHUB_TOKEN`, should be supplied if a comment with the preview URL is to be posted on the PR.  GitHub automatically creates a `GITHUB_TOKEN` secret to use in your workflow. You can use it directly, see [About the GITHUB_TOKEN secret](https://docs.github.com/en/actions/configuring-and-managing-workflows/authenticating-with-the-github_token#about-the-github_token-secret) | `github env` | No | N/A |
 | `NewBackendEnvARN` | The Amazon Resource Name (ARN) for a backend environment that is part of an Amplify app. | `secret env` | No | N/A |
 

entrypoint.sh

@@ -26,6 +26,12 @@ else
   backend_env_arg=""
 fi
 
+if [[ ! -z "$EnvironmentVariables" ]] ; then
+  environment_variables_arg="--environment-variables=${EnvironmentVariables}"
+else
+  environment_variables_arg=""
+fi
+
 if [ -z "$BRANCH_NAME" ] ; then
   echo "You must provide branch name input parameter in order to deploy"
   exit 1
@@ -47,7 +53,7 @@ case $AMPLIFY_COMMAND in
 
   deploy)
     sh -c "aws amplify create-branch --app-id=${AmplifyAppId} --branch-name=$BRANCH_NAME  \
-              ${backend_env_arg} --region=${AWS_REGION}"
+              ${backend_env_arg} ${environment_variables_arg} --region=${AWS_REGION}"
 
     sleep 10