DOCKERFILE - FLUTTER

#Stage 1 - Install dependencies and build the app
FROM arm64v8/ubuntu:20.04 AS build-env

# Install flutter dependencies
RUN apt-get update && \
    apt-get install -y bash curl file git unzip xz-utils zip libglu1-mesa && \
    git clone https://github.com/flutter/flutter.git -b master

ENV PATH="$PATH:/flutter/bin"

RUN flutter config --enable-web

# Copy files to container and build
RUN mkdir /app/
COPY . /app/
WORKDIR /app/
RUN flutter build web --dart-define MS_MESSENGER_BASE_URL="https://sample-url/v1" --web-renderer html --release

# Stage 2 - Create the run-time image
FROM nginx:1.21.1-alpine
COPY --from=build-env /app/build/web /usr/share/nginx/htm