Update Dockerfile

Dockerfile

@@ -1,36 +1,37 @@
 # Use an official Python runtime as a parent image.
 FROM python:3.9-slim
 
-# Set the working directory inside the container
-WORKDIR /code
-
-# --- NEW: Set up a non-root user ---
-# Create a user 'user' with user ID 1000
+# Create a dedicated, non-root user for security.
 RUN useradd -m -u 1000 user
-# Switch to this new user
+
+# Switch to this new user.
 USER user
 
-# --- NEW: Set environment variables for the user ---
-# Set the home directory for the user
+# Set environment variables that will be available to the 'user'.
 ENV HOME=/home/user
-# Set the cache directory for transformers inside the user's home
-# This is the key change to fix the permission error.
+
+# --- THIS IS THE FIX ---
+# Add the user's local binary directory to the system's PATH.
+# This ensures that executables installed by pip (like uvicorn) can be found.
+ENV PATH=$HOME/.local/bin:$PATH
+
+# Set the cache directory for transformers.
 ENV TRANSFORMERS_CACHE=$HOME/.cache
 
-# Set the working directory to the user's home for subsequent operations
+# Set the working directory for the application.
 WORKDIR $HOME/app
 
-# Copy the requirements file into the app directory
+# Copy and own the requirements file.
 COPY --chown=user:user ./requirements.txt .
 
-# Install any needed packages specified in requirements.txt
+# Install Python dependencies.
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Copy your app.py file into the app directory
+# Copy and own the application file.
 COPY --chown=user:user ./app.py .
 
-# Make port 7860 available
+# Expose the port the app will run on.
 EXPOSE 7860
 
-# Command to run your app.
+# Command to run your app. Now 'uvicorn' can be found in the PATH.
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]