feat: add docker build and push action (#16)

.env.dist

@@ -1,2 +1,3 @@
 NODE_ENV=development
-GITHUB_TOKEN=your-github-token
+GITHUB_TOKEN=your-github-token
+DOCKERHUB_USERNAME=your-dockerhub-username

.github/workflows/docker-build-n-push.yaml

@@ -0,0 +1,23 @@
+name: Build Docker image and push to Docker Hub
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  builds:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - run: sudo apt-get update && sudo apt-get install -y jq
+      - run: make docker-build
+      - run: make docker-tag-latest
+      - run: make docker-push
+      - run: docker logout

Makefile

@@ -28,11 +28,18 @@ ifndef NODE_ENV
 endif
 
 docker-build: check-node-env ## build docker image
-	docker build --load -f ./Dockerfile --build-arg IMAGE_VERSION=$(IMAGE_VERSION) --build-arg IMAGE_NAME=$(IMAGE_NAME) -t $(IMAGE_NAME):$(IMAGE_VERSION) .
+	docker build --load -f ./Dockerfile --build-arg IMAGE_VERSION=$(IMAGE_VERSION) --build-arg IMAGE_NAME=$(IMAGE_NAME) -t $(DOCKERHUB_USERNAME)/$(IMAGE_NAME):$(IMAGE_VERSION) .
+
+docker-push: ## push latest image to docker hub of <type>
+	@docker push $(DOCKERHUB_USERNAME)/$(IMAGE_NAME):$(IMAGE_VERSION)
+	@docker push $(DOCKERHUB_USERNAME)/$(IMAGE_NAME):latest
 
 docker-run: check-node-env ## build docker image
 	docker run --rm -p 9000:9000 $(IMAGE_NAME):$(IMAGE_VERSION)
 
+docker-tag-latest: ## tag image as latest
+	@docker tag $(DOCKERHUB_USERNAME)/$(IMAGE_NAME):$(IMAGE_VERSION) $(DOCKERHUB_USERNAME)/$(IMAGE_NAME):latest
+
 logs-restart: ## restart logs stack
 	@docker compose -f ./ops/grafana-logs/docker-compose.logs.yaml down
 	@docker compose -f ./ops/grafana-logs/docker-compose.logs.yaml up -d