Trying to remerge from previous to keep a similar mindset (build and main) #1122

Author: bpatrik

docker/alpine/Dockerfile.build

@@ -1,8 +1,6 @@
-
-# ============================================================
-# Stage 1: Build libvips with full colourspace + loaders
-# ============================================================
-FROM alpine:3.22 AS vips-build
+#-----------------BUILDER-----------------
+#-----------------------------------------
+FROM node:22-alpine3.22 AS builder
 
 ARG VIPS_VERSION=8.15.2
 
@@ -46,47 +44,59 @@ RUN wget https://github.com/libvips/libvips/releases/download/v${VIPS_VERSION}/v
   make install && \
   ldconfig || true
 
-# ============================================================
-# Stage 2: Runtime image
-# ============================================================
-FROM node:20-alpine3.22 AS runtime
-
-RUN apk add --no-cache \
-  libjpeg-turbo libpng libwebp tiff lcms2 libexif libimagequant \
-  orc glib expat zlib ffmpeg
-
+COPY pigallery2-release /app
 WORKDIR /app
-
-# Bring in custom libvips
-COPY --from=vips-build /usr/lib /usr/lib
-COPY --from=vips-build /usr/bin/vips* /usr/bin/
-
-# Copy prebuilt PiGallery2 release
-COPY pigallery2-release/ /app/
-
-# Install production dependencies
-RUN npm install --omit=dev && npm cache clean --force
+RUN npm install --no-package-lock --save-dev node-addon-api@8.5.0 node-gyp@11.5.0  && \
+    npm prune --production && \
+    npm cache clean --force
 
 # Create data directories
 RUN mkdir -p /app/data/config \
   /app/data/db \
   /app/data/images \
   /app/data/tmp
 
+
+#-----------------MAIN--------------------
+#-----------------------------------------
+FROM node:22-alpine3.22 AS main
+WORKDIR /app
+
+
+
+
 ENV NODE_ENV=production \
-  default-Database-dbFolder=/app/data/db \
-  default-Media-folder=/app/data/images \
-  default-Media-tempFolder=/app/data/tmp \
-  default-Extensions-folder=/app/data/config/extensions \
-  PI_DOCKER=true
+    # overrides only the default value of the settings (the actual value can be overwritten through config.json)
+    default-Database-dbFolder=/app/data/db \
+    default-Media-folder=/app/data/images \
+    default-Media-tempFolder=/app/data/tmp \
+    default-Extensions-folder=/app/data/config/extensions \
+    # flagging dockerized environment
+    PI_DOCKER=true
 
 EXPOSE 80
+ARG TARGETARCH
+RUN apk add --no-cache \
+    libjpeg-turbo libpng libwebp tiff lcms2 libexif libimagequant \
+    orc glib expat zlib ffmpeg \
+    && if [ "$TARGETARCH" = "amd64" ]; then \
+        echo "Building for amd64, adding intel-media-driver" && \
+        apk add --no-cache intel-media-driver; \
+    fi \
+    && rm -rf /var/cache/apk/*
+
+
+COPY --from=builder /usr/lib /usr/lib
+COPY --from=builder /usr/bin/vips* /usr/bin/
+COPY --from=builder /app /app
 
-# Diagnostics
+# Run build time diagnostics to make sure the app would work after build is finished
 RUN ["node", "--expose-gc", "./src/backend/index", "--run-diagnostics", "--config-path=/app/diagnostics-config.json", "--Server-Log-level=silly"]
 
 HEALTHCHECK --interval=40s --timeout=30s --retries=3 --start-period=60s \
   CMD wget --quiet --tries=1 --no-check-certificate --spider \
   http://127.0.0.1:80/heartbeat || exit 1
 
+# after a extensive job (like video converting), pigallery calls gc, to clean up everything as fast as possible
+# Exec form entrypoint is need otherwise (using shell form) ENV variables are not properly passed down to the app
 ENTRYPOINT ["node", "--expose-gc", "./src/backend/index", "--config-path=/app/data/config/config.json"]