feat: alpine and slim images

.github/workflows/build.yaml

@@ -68,3 +68,26 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.onviffmqtt.outputs.tags }}
           labels: ${{ steps.onviffmqtt.outputs.labels }}
+
+        id: onviffmqtt
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/ampretia/onviffmqtt
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}-alpine
+            type=semver,pattern={{major}}.{{minor}}-alpine
+            type=semver,pattern={{major}}-alpine
+            type=sha
+
+      - name: build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          build-args: VARIANT=alpine
+          tags: ${{ steps.onviffmqtt.outputs.tags }}
+          labels: ${{ steps.onviffmqtt.outputs.labels }}

Dockerfile

@@ -1,7 +1,10 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-FROM node:20 AS builder
+
+ARG VARIANT="slim"
+
+FROM node:20-${VARIANT} AS builder
 
 WORKDIR /usr/src/app
 
@@ -10,7 +13,7 @@ COPY --chown=node:node . /usr/src/app
 RUN npm ci && npm run build && npm shrinkwrap
 
 
-FROM node:20 AS production
+FROM node:20-${VARIANT} AS production
 
 
 WORKDIR /usr/src/app