Update Dockerfile

Dockerfile

@@ -1,10 +1,6 @@
 # The tag here should match the Meteor version of your app, per .meteor/release
 FROM geoffreybooth/meteor-base:2.16
 
-# Ensure Python and build tools are available (for cross-platform build)
-RUN apt-get update && apt-get install -y python3 build-essential && \
-    meteor npm config set python python3
-
 # Copy app package.json and package-lock.json into container
 COPY ./app/package*.json $APP_SOURCE_FOLDER/
 
@@ -23,28 +19,40 @@ FROM node:14.21.0-alpine
 ENV APP_BUNDLE_FOLDER=/opt/bundle
 ENV SCRIPTS_FOLDER=/docker
 
-# Runtime dependencies; if your dependencies need compilation (native modules such as bcrypt) or you are using Meteor <1.8.1, use app-with-native-dependencies.dockerfile instead
+# Install OS build dependencies, which stay with this intermediate image but don’t become part of the final published image
 RUN apk --no-cache add \
-		bash \
-		ca-certificates \
-    python3 \
-    build-base && \
-    npm config set python python3
+	bash \
+	g++ \
+	make \
+	python3
 
 # Copy in entrypoint
 COPY --from=0 $SCRIPTS_FOLDER $SCRIPTS_FOLDER/
 
 # Copy in app bundle
 COPY --from=0 $APP_BUNDLE_FOLDER/bundle $APP_BUNDLE_FOLDER/bundle/
 
-# COPY ./app/private/jsons /opt/meteor/dist/bundle/private/jsons
-# COPY ./app/private/jsons $APP_BUNDLE_FOLDER/bundle/private/jsons
-# COPY ./app/private/jsons $APP_BUNDLE_FOLDER/bundle/programs/server/assets/app/jsons
+RUN bash $SCRIPTS_FOLDER/build-meteor-npm-dependencies.sh --build-from-source
 
-RUN bash $SCRIPTS_FOLDER/build-meteor-npm-dependencies.sh
+# Start another Docker stage, so that the final image doesn’t contain the layer with the build dependencies
+# See previous FROM line; this must match
+FROM node:14.21.0-alpine
+
+ENV APP_BUNDLE_FOLDER /opt/bundle
+ENV SCRIPTS_FOLDER /docker
+
+# Install OS runtime dependencies
+RUN apk --no-cache add \
+	bash \
+	ca-certificates
+
+# Copy in entrypoint with the built and installed dependencies from the previous image
+COPY --from=1 $SCRIPTS_FOLDER $SCRIPTS_FOLDER/
+
+# Copy in app bundle with the built and installed dependencies from the previous image
+COPY --from=1 $APP_BUNDLE_FOLDER/bundle $APP_BUNDLE_FOLDER/bundle/
 
 # Start app
 ENTRYPOINT ["/docker/entrypoint.sh"]
 
 CMD ["node", "main.js"]
-