Adds a build step to the pipeline.

For now we only validate that the packages build without errors

.gitlab-ci.yml

@@ -11,6 +11,7 @@ cache:
 stages:
   - venv update # Keep the cached virtual env up to date with dependencies
   - tests and linting # Run test/linting for frontend and backend
+  - build # Build
 
 update:
   before_script:
@@ -39,6 +40,14 @@ backend test:
     reports:
       cobertura: coverage.xml
 
+backendend build:
+  before_script:
+    - python -V
+  image: python:3.9-buster
+  stage: build
+  script:
+    - poetry build
+
 frontend test:
   image: node:14-alpine
   stage: tests and linting
@@ -58,3 +67,13 @@ frontend lint:
     - npm install -g npm@latest
     - npm ci
     - npm run lint
+
+frontend build:
+  image: node:14-alpine
+  stage: build
+  script:
+    - cd frontend
+    - npm install -g npm@latest
+    - NODE_ENV=production
+    - npm ci 
+    - npm run build:no-env