user permissions

Dockerfile

@@ -7,17 +7,22 @@ ARG USER_GID=1000
 RUN groupadd --gid ${USER_GID} ${USERNAME} \
     && useradd --uid ${USER_UID} --gid ${USER_GID} --create-home ${USERNAME}
 
+# Switch to the "user" user
+USER ${USERNAME}
+
+# Set home to the user's home directory
 ENV HOME=/home/${USERNAME}
+
+# Set the working directory to the user's home directory
 WORKDIR ${HOME}/app
 
 # Enable bytecode compilation and copy mode for mounted volumes
 ENV UV_COMPILE_BYTECODE=1
 ENV UV_LINK_MODE=copy
 
-USER ${USERNAME}
-
 # Writable UV cache for non-root user
 ENV UV_CACHE_DIR=${HOME}/.cache/uv
+RUN mkdir -p ${UV_CACHE_DIR}
 
 # Install dependencies from lockfile using bind mounts (no cache mount to avoid perms issues)
 RUN --mount=type=bind,source=uv.lock,target=uv.lock,readonly \

src/vlm_playground/app.py

@@ -1,6 +1,29 @@
 import gradio as gr
 
 
+def greet(name: str) -> str:
+    return f"Hello {name}!!"
+
+
+demo = gr.Interface(
+    fn=greet,
+    inputs="text",
+    outputs="text",
+    title="VLM Playground Gradio Demo",
+    description="Simple demo app to verify Gradio + uv Docker setup.",
+)
+
+
+def main() -> None:
+    demo.launch(server_name="0.0.0.0", server_port=7860)
+
+
+if __name__ == "__main__":
+    main()
+
+import gradio as gr
+
+
 def greet(name: str) -> str:
     return f"Hello {name}!!"