TF-256 Setup web in docker

Dockerfile

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+#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
+
+# Clone the flutter repo
+RUN git clone https://github.com/flutter/flutter.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}"
+
+# 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 build web
+
+# Record the exposed port
+EXPOSE 3000
+
+# Stage 2 - Create the run-time image
+FROM nginx:1.21.1-alpine
+COPY --from=build-env /app/build/web /usr/share/nginx/html