tec: Build the production Docker image on ghcr.io

.github/workflows/docker-image.yml

@@ -0,0 +1,32 @@
+name: Publish Docker image
+
+on:
+    push:
+        branches:
+            - 'main'
+        tags:
+            - '*'
+
+env:
+    docker_image_version: ${{ github.ref == 'refs/heads/main' && 'edge' || github.ref_name }}
+
+jobs:
+    push_to_registry:
+        name: Push Docker image to GitHub Container Registry
+        runs-on: ubuntu-latest
+        steps:
+            - name: Check out the repo
+              uses: actions/checkout@v4
+
+            - name: Log in to GHCR
+              uses: docker/login-action@v3
+              with:
+                  registry: ghcr.io
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            - name: Build the Docker image
+              run: make docker-image VERSION=${{ env.docker_image_version }}
+
+            - name: Push the Docker image to GHCR
+              run: docker push ghcr.io/probesys/bileto:${{ env.docker_image_version }}