Update Dockerfile

Dockerfile

@@ -1,11 +1,15 @@
 # THE FINAL, CORRECT BLUEPRINT.
 
 FROM python:3.10-slim
+
+# Install curl, which we need to download the model during the build.
 RUN apt-get update && apt-get install -y curl
+
 WORKDIR /code
 
-# THE ARCHITECTURAL FIX: We download the HEAVY, HIGH-QUALITY AI model ONCE,
-# during the build. This solves all startup timeout and "Starting..." errors forever.
+# 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
 
 # Install the lightweight Python libraries.
@@ -16,4 +20,4 @@ RUN pip install --no-cache-dir -r /code/requirements.txt
 COPY ./main.py /code/main.py
 
 # The simple, reliable startup command. It starts ONE worker, fixing the memory crash.
-CMD ["uvicorn", "main.py:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]