Modified dockerfile

Dockerfile

@@ -1,17 +1,48 @@
 # Use an official Python runtime as the base image
+# This image contains Python 3.9 and is a lightweight slim version to minimize image size
 FROM python:3.9-slim
 
 # Set the working directory inside the container
+# All subsequent commands will run in this /app directory
 WORKDIR /app
 
 # Copy the local files into the container
+# Copies everything from the current directory on the host machine to /app in the container
 COPY . /app
 
-# Install the dependencies
+# Set environment variable for Hugging Face cache directory
+# This helps set a custom cache location for Hugging Face models and datasets
+ENV HF_HOME=/app/.cache
+
+# Create the necessary cache directories for Hugging Face
+# This ensures that Hugging Face has the required directories set up for caching
+
+RUN mkdir -p /app/.cache/huggingface/hub && \
+    chmod -R 777 /app/.cache && \
+    chmod -R 777 /app/.cache/huggingface
+
+# Upgrade pip to the latest version
+# This ensures you are using the most up-to-date version of pip for installing dependencies
+RUN pip install --upgrade pip
+
+# Install the dependencies listed in requirements.txt
+# The --no-cache-dir flag ensures pip does not use or store cached versions of packages, saving space
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Expose the port the app will run on (FastAPI default is 8000)
+# Copy the requirements.txt file with ownership changes
+# --chown=user ensures that the requirements.txt file inside the container is owned by a specific user (e.g., user) for security and permissions
+COPY --chown=user ./requirements.txt requirements.txt
+
+# Reinstall dependencies from the requirements.txt
+# Installing again to ensure the dependencies are properly set with the correct ownership and permissions
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Expose the port the app will run on
+# FastAPI typically runs on port 8000, but we’re using 7860 in this case
 EXPOSE 7860
 
 # Command to run the application using uvicorn
+# Uvicorn is an ASGI server that runs the FastAPI app
+# --host 0.0.0.0 makes the app accessible to any IP address, so it's reachable from outside the container
+# --port 7860 sets the port number on which the FastAPI app will be available
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]