github action to publish images to ghcr

Signed-off-by: Anton Mitsengendler <anton.mitsengendler@outlook.com>

Author: rumkit

.github/workflows/docker-image.yml

@@ -5,18 +5,35 @@ on:
     branches: [ "master" ]
 
 jobs:
-
   build:
-
     runs-on: ubuntu-latest
-
+    permissions:
+      packages: write
     steps:
-    - uses: actions/checkout@v4
+    - name: Set image postfix
+      run: echo "DOCKER_IMAGE_POSTFIX=$(date +%Y-%m-%d_%s)" >> "$GITHUB_ENV"
+    - name: Checkout the repo
+      uses: actions/checkout@v4
+
+    - name: Log in to the Container registry
+      uses: docker/login-action@v3
+      with:
+        registry: https://ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Build Server Docker Image
-      working-directory: src
-      run: docker build . --file PodLoad.Server/Dockerfile --tag podload-server:$(date +%s)
+    - name: Build and push server image
+      uses: docker/build-push-action@v6
+      with:
+        context: src
+        file: PodLoad.Server/Dockerfile
+        push: true
+        tags: ghcr.io/rumkit/pod-load-simulator:server-${{ env.DOCKER_IMAGE_POSTFIX }}
 
-    - name: Build Client Docker Image
-      working-directory: src
-      run: docker build . --file PodLoad.Client/Dockerfile --tag podload-client:$(date +%s)
+    - name: Build and push client image
+      uses: docker/build-push-action@v6
+      with:
+        context: src
+        file: PodLoad.Client/Dockerfile
+        push: true
+        tags: ghcr.io/rumkit/pod-load-simulator:client-${{ env.DOCKER_IMAGE_POSTFIX }}