creating first structure of cinema backend server

Signed-off-by: Peter Siegmund <developer@mars3142.org>

server/cinema/Dockerfile

@@ -8,13 +8,17 @@ RUN dart pub get
 
 # Copy app source code (except anything in .dockerignore) and AOT compile app.
 COPY . .
-RUN dart compile exe bin/server.dart -o bin/server
+RUN dart run build_runner build --delete-conflicting-outputs
+RUN APP_VERSION=$(awk '/^version:/{print $2}' pubspec.yaml) && \
+    dart compile exe bin/server.dart -o bin/server \
+    -DAPP_VERSION=$APP_VERSION
 
 # Build minimal serving image from AOT-compiled `/server`
 # and the pre-built AOT-runtime in the `/runtime/` directory of the base image.
 FROM scratch
 COPY --from=build /runtime/ /
 COPY --from=build /app/bin/server /app/bin/
+COPY assets /
 
 # Start server.
 EXPOSE 8080