Added Docker Hub push step (#43)

Co-authored-by: emily747 <[email protected]>

Author: python151

.github/workflows/api.yml

@@ -97,3 +97,28 @@ jobs:
         env:
           DATABASE_URL: postgres://postgres:postgres@localhost:5432/test_db
         run: pnpm test
+  
+  push:
+    name: Pushes container to docker container hub
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Build Image
+        run: |
+          cd apps/api/
+          docker build . --tag events-api
+
+      - name: Login to registry
+        run: echo "${{ secrets.PAT }}" | docker login ghcr.io -u compsoc-service --password-stdin
+
+      - name: Push Image
+        run: |
+          IMAGE_ID=ghcr.io/compsoc-edinburgh/events-api
+          docker tag events-api $IMAGE_ID:latest
+          docker tag events-api $IMAGE_ID:${{ github.sha }}
+          docker push $IMAGE_ID:${{ github.sha }}
+          docker push $IMAGE_ID:latest
+
+
+