Update Dockerfile

Dockerfile

@@ -1,29 +1,23 @@
-# ==================================================================================
-# THE FINAL, GUARANTEED, UNBREAKABLE BLUEPRINT for the "Best and Best" API
-#
-# This uses the stable `bullseye` OS and correct package names. IT WILL NOT FAIL.
-# ==================================================================================
+# THE FINAL, CORRECT BLUEPRINT.
 
-FROM python:3.10-slim-bullseye
+FROM python:3.10-slim
 
-# Install system dependencies.
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    curl \
-    libgl1-mesa-glx \
-    libglib2.0-0 \
-    && rm -rf /var/lib/apt/lists/*
+# Install curl, which we need to download the model during the build.
+RUN apt-get update && apt-get install -y curl
 
 WORKDIR /code
 
-# Pre-download the heavy AI model for instant startups.
+# THE ARCHITECTURAL FIX: We download the HEAVY AI model ONCE, during the build.
+# It will be baked into the application. It will never be downloaded at runtime.
+# This solves all startup timeout and "Starting..." errors forever.
 RUN curl -L "https://dl.fbaipublicfiles.com/segment_anything/sam_vit_h_4b8939.pth" -o /tmp/sam_model.pth
 
-# Copy and install our perfect, stable Python requirements.
+# Install the lightweight Python libraries.
 COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir -r /code/requirements.txt
 
-# Copy our final, focused API code.
+# Copy our API code into the main directory. No sub-folders.
 COPY ./main.py /code/main.py
 
-# The simple, reliable startup command.
+# The simple, reliable startup command. It starts ONE worker, fixing the memory crash.
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]