Production build at container run time

.dockerignore

@@ -2,6 +2,7 @@
 node_modules
 
 # Ignore common folders that we do not need
+.git
 .next
 .github
 .vscode

.gitea/workflows/image-build.yaml

@@ -0,0 +1,38 @@
+name: Build Production Image
+run-name: $GITHUB_REF_TYPE Production Build
+on:
+  push:
+    tags:
+      - '*.*.*'
+
+jobs:
+  Build Production Image:
+    runs-on: ubuntu-latest
+    container:
+      image: git.grosinger.net/tgrosinger/runner-image:0.0.3
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Gitea Docker registry
+        uses: docker/login-action@v2
+        with:
+          registry: git.grosinger.net
+          username: tgrosinger
+          password: ${{ secrets.CONTAINER_REGISTRY_ACCESS_TOKEN }}
+
+      - name: Create env file for Nextjs verification step
+        run: |
+          echo "POSTMARK_SERVER_TOKEN=dummy-token" > /workspace/tgrosinger/west-sound-hall/.env
+          echo "NEXT_PUBLIC_SITE_URL=http://localhost:3000" >> /workspace/tgrosinger/west-sound-hall/.env
+          cat /workspace/tgrosinger/west-sound-hall/.env
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: git.grosinger.net/tgrosinger/west-sound-hall:${{ gitea.ref_name  }}

Dockerfile

@@ -1,6 +1,7 @@
 FROM docker.io/library/node:18-alpine AS build-env
 
-# Disable telemetry
+ENV NODE_ENV production
+ENV PORT 3000
 ENV NEXT_TELEMETRY_DISABLED 1
 
 WORKDIR /app
@@ -15,23 +16,5 @@ RUN npm install
 # Copy files. Use dockerignore to avoid copying node_modules
 COPY . .
 
-# Build
-RUN npm run build
-
-# Running the app
-FROM gcr.io/distroless/nodejs:18 AS runner
-WORKDIR /app
-
-# Mark as prod, disable telemetry, set port
-ENV NODE_ENV production
-ENV PORT 3000
-ENV NEXT_TELEMETRY_DISABLED 1
-
-# Copy from build
-COPY --from=build-env /app/next.config.mjs ./
-COPY --from=build-env /app/public ./public
-COPY --from=build-env /app/.next ./.next
-COPY --from=build-env /app/node_modules ./node_modules
-
 # Run app command
-CMD ["./node_modules/next/dist/bin/next", "start"]
+CMD ["/bin/ash", "/app/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# The build step hard-codes variables from the environment into HTML, so it must
+# be done with the correct .env.local for runtime.
+
+./node_modules/next/dist/bin/next build
+./node_modules/next/dist/bin/next start