Update CI workflow on main branch

Author: xkons

.github/workflows/main.yml

@@ -1,10 +1,6 @@
 name: CI
 
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
+on: [push]
 
 jobs:
   build:
@@ -19,20 +15,26 @@ jobs:
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
           restore-keys: ${{ runner.os }}-node-
 
+      - name: Get Node.js version
+        id: nodejs
+        run: echo ::set-output name=nodeVersion::$(cat .node-version)
+
       - name: Setup Node.js environment
         uses: actions/setup-node@v1
+        with:
+          node-version: ${{ steps.nodejs.outputs.nodeVersion }}
 
       - name: Install npm packages
-        run: npm install
-
-      - name: Build
-        run: npm run build -- --prod
+        run: npm ci
 
       - name: Lint
         run: npm run lint
 
       - name: Test
         run: npm run test
-
+      
       - name: Prettier
         run: npm run prettier-check
+
+      - name: Build
+        run: npm run build -- --configuration production

.gitignore

@@ -4,7 +4,7 @@
 /dist
 /tmp
 /out-tsc
-/.angular/cache
+/.angular
 # Only exists if Bazel was run
 /bazel-out
 

.node-version

@@ -0,0 +1 @@
+16.13.1