MI-85: Update build steps

Author: kai-nguyen-aligent

.github/workflows/build.yml

@@ -9,14 +9,5 @@ jobs:
       - uses: actions/checkout@v2
         with:
           ref: ${{ github.event.release.target_commitish }}
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20.x
-      - name: Build pipeline code
-        run: |
-          npm ci
-          npm run build
-      - name: Trim down devDependencies
-        run: npm prune --production
       - name: Build docker image
         run: docker build --build-arg NODE_TAG=20 .

Dockerfile

@@ -1,17 +1,28 @@
-ARG NODE_TAG=latest
+ARG NODE_TAG
+FROM node:${NODE_TAG}-alpine AS builder
+
+# `WORKDIR` will create the folder if it doesn't exsist
+WORKDIR /build-stage
+COPY package*.json ./
+RUN npm ci
+COPY . ./
+RUN npm run build
+
+# This remove dev dependencies from `node_modules` folder
+RUN npm prune --production
+
 FROM node:${NODE_TAG}-alpine
 
-RUN mkdir /pipe
 WORKDIR /pipe
 
 # The `--force` flag force replace `yarn` if it exist in base image
 # This ensure we have the latest version of package managers
 RUN npm install -g --force npm pnpm yarn
 
-COPY node_modules ./node_modules
-COPY dist/ ./
-COPY entrypoint.sh package.json ./
+COPY --from=builder /build-stage/node_modules ./node_modules
+COPY --from=builder /build-stage/dist/ ./
+COPY --from=builder /build-stage/entrypoint.sh ./
 
-RUN chmod a+x ./**/*.js entrypoint.sh
+RUN chmod a+x entrypoint.sh
 
 ENTRYPOINT ["/pipe/entrypoint.sh"]