making robots file optional

Dockerfile

@@ -10,6 +10,7 @@ WORKDIR /code
 COPY ./backend /code/
 RUN pip install --user -r requirements.txt
 # We get the dependencies with the full python image so we can compile the one with missing binaries
+ENV UseRobots=false
 
 FROM python:3.7.10-slim-stretch as app
 # copy the dependencies from the pybuilder
@@ -20,4 +21,5 @@ COPY --from=pybuilder /code /dist
 COPY --from=builder ./dist /dist/
 WORKDIR /dist
 EXPOSE 5001
+
 ENTRYPOINT ["python", "/dist/__init__.py"]

backend/__init__.py

@@ -15,7 +15,22 @@ import sys
 sys.setrecursionlimit(10**6) # this should prevents bots from stopping
 
 sio = socketio.Server(cors_allowed_origins="*")
-static_files={
+if "UseRobots" in os.environ and os.environ['UseRobots'].upper() == "TRUE":
+    static_files={
+        '/': {'content_type': 'text/html', 'filename': 'index.html'},
+        '/game': {'content_type': 'text/html', 'filename': 'index.html'},
+        '/help': {'content_type': 'text/html', 'filename': 'index.html'},
+        '/status': {'content_type': 'text/html', 'filename': 'index.html'},
+        '/robots.txt': {'content_type': 'text/html', 'filename': 'robots.txt'},
+        '/favicon.ico': {'filename': 'favicon.ico'},
+        '/img/icons': './img/icons',
+        '/manifest.json': {'filename': 'manifest.json'},
+        '/css': './css',
+        '/media': './media',
+        '/js': './js',
+    }
+else:    
+    static_files={
         '/': {'content_type': 'text/html', 'filename': 'index.html'},
         '/game': {'content_type': 'text/html', 'filename': 'index.html'},
         '/help': {'content_type': 'text/html', 'filename': 'index.html'},
@@ -27,7 +42,8 @@ static_files={
         '/css': './css',
         '/media': './media',
         '/js': './js',
-}
+    }
+
 for file in [f for f in os.listdir('.') if '.js' in f or '.map' in f or '.html' in f]:
     static_files[f'/{file}'] = f'./{file}'