github action for docker

.github/workflows/build.yml

@@ -13,4 +13,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
-    - run: cd server && npm install && npx -y tsc
+    - run: cd server && npm install && npx -y tsc
+  test-docker:
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@master
+    - name: Build containers
+      run: docker-compose -f "docker-compose.yml" build

Dockerfile

@@ -34,4 +34,6 @@ RUN npm install
 
 COPY ./server/src ./src
 
+RUN CI=true cd /app && npm run start
+
 COPY --from=build /app/build /app/public

server/src/index.ts

@@ -25,6 +25,10 @@ process.on('unhandledRejection', (reason, p) => {
     console.error('Unhandled Rejection at: Promise', p, 'reason:', reason);
 });
 
+if (process.env.CI) {
+    setTimeout(() => process.exit(), 10000);
+}
+
 const port = process.env.PORT ? parseInt(process.env.PORT, 10) : 3001;
 const webappPort = process.env.WEBAPP_PORT ? parseInt(process.env.WEBAPP_PORT, 10) : 3000;
 const origins = (process.env.ALLOWED_ORIGINS || '').split(',');