Package the webapp in a docker nginx lightweight container

Dockerfile

@@ -1,34 +1,44 @@
 #Stage 1 - Install dependencies and build the app
 FROM debian:latest AS build-env
 
-# Install flutter dependencies
-RUN apt-get update
-RUN apt-get install -y curl git wget unzip libgconf-2-4 gdb libglu1-mesa fonts-droid-fallback python3
-RUN apt-get clean
+ENV FLUTTER_CHANNEL="stable"
+ENV FLUTTER_VERSION="2.10.0"
+ENV FLUTTER_URL="https://storage.googleapis.com/flutter_infra_release/releases/$FLUTTER_CHANNEL/linux/flutter_linux_$FLUTTER_VERSION-$FLUTTER_CHANNEL.tar.xz"
+ENV FLUTTER_HOME="/opt/flutter"
 
-# Clone the flutter repo
-RUN git clone https://github.com/flutter/flutter.git /usr/local/flutter
+ENV PATH "$PATH:$FLUTTER_HOME/bin"
 
-# Set flutter path
-# RUN /usr/local/flutter/bin/flutter doctor -v
-ENV PATH="/usr/local/flutter/bin:/usr/local/flutter/bin/cache/dart-sdk/bin:${PATH}"
+# Prerequisites
+RUN apt update && apt install -y curl git unzip xz-utils zip libglu1-mesa \
+ && mkdir -p $FLUTTER_HOME \
+ && curl -o flutter.tar.xz $FLUTTER_URL \
+ && tar xf flutter.tar.xz -C /opt \
+ && rm flutter.tar.xz \
+ && flutter doctor \
+ && rm -rf /var/lib/{apt,dpkg,cache,log}
 
-# Run flutter doctor
-RUN flutter doctor -v
-# Enable flutter web
-RUN flutter channel master
-RUN flutter upgrade
-RUN flutter config --enable-web
+# Set directory to Copy App
+WORKDIR /app
 
-# Copy files to container and build
-RUN mkdir /app/
-COPY . /app/
-WORKDIR /app/
-RUN flutter build web
+COPY . .
 
-# Record the exposed port
-EXPOSE 3000
+# Precompile tmail flutter
+RUN cd core \
+  && flutter pub get \
+  && cd ../model \
+  && flutter pub get && flutter pub run build_runner build --delete-conflicting-outputs \
+  && cd .. \
+  && flutter pub get && flutter pub run intl_generator:extract_to_arb --output-dir=./lib/l10n lib/main/localizations/app_localizations.dart \
+  && flutter pub get && flutter pub run intl_generator:generate_from_arb --output-dir=lib/l10n --no-use-deferred-loading lib/main/localizations/app_localizations.dart lib/l10n/intl*.arb \
+  && flutter build web
 
 # Stage 2 - Create the run-time image
-FROM nginx:1.21.1-alpine
-COPY --from=build-env /app/build/web /usr/share/nginx/html
+FROM nginx:stable
+RUN chmod -R 755 /usr/share/nginx/html
+COPY --from=build-env /app/server/nginx.conf /usr/share/nginx/html
+COPY --from=build-env /app/build/web /usr/share/nginx/html
+
+# Record the exposed port
+EXPOSE 80
+
+ENTRYPOINT ["nginx", "-g", "daemon off;"]