Build & Push multi-arch docker image

.github/workflows/docker-image.yml

@@ -11,6 +11,11 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
+    - name: Set up Docker Buildx
+      id: buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
     - name: Login to Docker Hub
       uses: docker/login-action@v2.1.0
       with:
@@ -21,4 +26,5 @@ jobs:
       with:
         context: .
         push: true
+        platforms: linux/amd64,linux/arm64,linux/arm/v7
         tags: cyfershepard/jellystat:latest

Dockerfile

@@ -1,14 +1,21 @@
-FROM node:slim
+# Stage 1: Build the application
+FROM node:slim AS builder
 
-RUN mkdir /app
 WORKDIR /app
 
 COPY package*.json ./
+RUN npm cache clean --force
 RUN npm install
 
 COPY ./ ./
 
+# Stage 2: Create the production image
+FROM node:slim
+
+WORKDIR /app
+
+COPY --from=builder /app .
+
 EXPOSE 3000
 
 CMD ["npm", "run", "start-app"]
-