deploying api with api domain

.github/workflows/deploy_fastapi_backend.yml

@@ -21,6 +21,7 @@ jobs:
         run: |
           npm install -g serverless
           npm install -g serverless-python-requirements
+          npm install -g serverless-domain-manager
 
       - name: Install dependencies
         run: |
@@ -50,4 +51,5 @@ jobs:
           SECRET_KEY: ${{ secrets.NEXTAUTH_SECRET }}
           ALGORITHM: 'HS256'
           PLAN_TRIGGER_BUCKET: 'retrofit-plan-inputs-${{ github.ref_name }}'
+          DOMAIN_NAME: ${{ secrets.DOMAIN_NAME }}
         run: cd backend && sls deploy --stage ${{ github.ref_name }} --verbose

backend/serverless.yml

@@ -10,6 +10,7 @@ provider:
     SECRET_KEY: ${env:SECRET_KEY}
     ALGORITHM: ${env:ALGORITHM}
     PLAN_TRIGGER_BUCKET: ${env:PLAN_TRIGGER_BUCKET}
+    DOMAIN_NAME: ${env:DOMAIN_NAME}
 
 package:
   individually: true
@@ -18,6 +19,7 @@ package:
 
 plugins:
   - serverless-python-requirements
+  - serverless-domain-manager
 
 custom:
   pythonRequirements:
@@ -26,6 +28,11 @@ custom:
     useDocker: true
     dockerSsh: true
     fileName: requirements/base.txt
+  customDomain:
+    domainName: api-${self:provider.stage}.${self:provider.environment.DOMAIN_NAME}
+    stage: ${self:provider.stage}
+    createRoute53Record: true
+    certificateArn: ${ssm:/ssl_certificate_arn~true}
 
 functions:
   app: