Dockerfile

#Stage 1 - Install dependencies and build the app
FROM debian:latest AS build-env

# Install flutter dependencies
COPY docker/sources.list   /etc/apt/sources.list
RUN apt-get update 
RUN apt-get install -y curl git wget unzip libgconf-2-4 gdb libstdc++6 libglu1-mesa fonts-droid-fallback lib32stdc++6 python3
RUN apt-get clean

# Clone the flutter repo
RUN git clone -b master https://mirrors.tuna.tsinghua.edu.cn/git/flutter-sdk.git /usr/local/flutter

# 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}"

ENV PUB_HOSTED_URL=https://pub.flutter-io.cn
ENV FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn

# Run flutter doctor
RUN flutter doctor -v
# Enable flutter web
RUN flutter channel master
RUN flutter upgrade
RUN flutter config --enable-web

# Copy files to container and build
RUN mkdir /app/

COPY . /app/

WORKDIR /app

RUN flutter pub get

WORKDIR /app/example

RUN flutter pub get

RUN flutter build web

# Stage 2 - Create the run-time image
FROM nginx
COPY --from=build-env /app/example/build/web /usr/share/nginx/html