Slim docker file, add chdir to app.py

Dockerfile

@@ -1,25 +1,23 @@
-FROM python:3.12
+FROM python:3.12-slim as builder
 COPY --from=ghcr.io/astral-sh/uv:0.4.20 /uv /bin/uv
+COPY ./deployment/requirements.txt requirements.txt
+RUN uv pip install -r requirements.txt \
+    && rm -rf /root/.cache/pip/*
 
-RUN useradd -m -u 1000 user
-ENV PATH="/home/user/.local/bin:$PATH"
-ENV UV_SYSTEM_PYTHON=1
-
-
-COPY --chown=user ./deployment/requirements.txt requirements.txt
-RUN uv pip install -r requirements.txt
-
-# Copy and install the local repo, then remove it
-COPY --chown=user ./ /pycek_public
-RUN uv pip install /pycek_public && rm -rf /pycek 
+# Install and cleanup in one layer
+COPY ./ /pycek_public
+RUN uv pip install /pycek_public \
+    && rm -rf /pycek_public \
+    && rm -rf /root/.cache/* 
 
+FROM python:3.12-slim
+RUN useradd -m -u 1000 user
+COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
+WORKDIR /app
 COPY --chown=user ./marimo /app
 RUN chown -R user:user /app
-
 USER user
 
-# data directory for hf spaces ephemeral storage
-RUN [ ! -d "/data" ] && (mkdir -p /data && chown -R user:user /data) || echo "Data directory exists"
-WORKDIR /data
-
-CMD ["python", "/app/app.py"]
+ENV PYCEK_WORKDIR="/data"
+WORKDIR /app
+CMD ["python", "app.py"]

marimo/app.py

@@ -2,7 +2,8 @@ from typing import Annotated, Callable, Coroutine
 from fastapi.responses import HTMLResponse, RedirectResponse
 import marimo
 from fastapi import FastAPI, Form, Request, Response
-
+import os
+work_dir = os.environ.get('PYCEK_WORKDIR', '/tmp/')
 
 # Create a marimo asgi app
 server = (
@@ -22,5 +23,6 @@ app.mount("/", server.build())
 # Run the server
 if __name__ == "__main__":
     import uvicorn
+    os.chdir(work_dir)
 
     uvicorn.run(app, host="0.0.0.0", port=8000)