initial setup

docker/x86_64/flutter

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+FROM debian:latest
+
+RUN apt-get update 
+RUN apt-get install -y \
+  bash \
+  curl \
+  fonts-droid-fallback \
+  gdb \
+  git \
+  lib32stdc++6 \
+  libgconf-2-4 \
+  libglu1-mesa \
+  libstdc++6 \
+  python3 \
+  unzip \
+  wget
+RUN apt-get clean
+
+RUN git clone https://github.com/flutter/flutter.git /usr/local/flutter
+
+ENV PATH="/usr/local/flutter/bin:/usr/local/flutter/bin/cache/dart-sdk/bin:${PATH}"
+
+RUN flutter doctor -v
+RUN flutter channel master
+RUN flutter upgrade
+RUN flutter config --enable-web