Create CI for building/pushing image on PR

Author: anik120

.github/workflows/build-push-on-PR.yml

@@ -0,0 +1,52 @@
+name: CI
+
+on:
+  pull_request:
+    branches: [ main ]
+
+
+jobs:
+
+  build: 
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Check out
+        uses: actions/checkout@v2
+  
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: docker.io/anik120/cool-catalog
+          tag-sha: true
+          tag-edge: false
+          tags: ${{github.event.number}}
+          
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          registry: docker.io
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      
+      - name: Build image
+        uses: docker/build-push-action@v2
+        with:
+          tags: ${{ steps.docker_meta.outputs.tags }} 
+          file: CoolCatalog.Dockerfile
+          context: . 
+
+      - name: Push image
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          file: CoolCatalog.Dockerfile
+          context: .