Update Dockerfile

Dockerfile

@@ -1,32 +1,41 @@
-# Use an official lightweight Python image
-FROM python:3.10-slim
-
-# Set the working directory inside the container
-WORKDIR /app
-
-# Install system dependencies
-# git is needed for some pip packages, build-essential for C extensions
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    git \
-    && rm -rf /var/lib/apt/lists/*
-
-# Copy the requirements file first to leverage Docker layer caching
-COPY requirements.txt requirements.txt
-
-# Install Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy the rest of your application code into the container
-COPY . .
-
-# Expose the port the app will run on
-# We'll use 7860 as specified in your Hugging Face README
-EXPOSE 7860
-
-# Set the port as an environment variable
-ENV PORT=7860
-
-# Command to run the application in production using Gunicorn
-# This will run the 'app' object from your 'main.py' file.
-CMD ["gunicorn", "--workers", "4", "--bind", "0.0.0.0:7860", "main:app"]
+# Use an official lightweight Python image
+FROM python:3.10-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Install system dependencies
+# git is needed for some pip packages, build-essential for C extensions
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# --- Additions for Virtual Environment ---
+# 1. Create the virtual environment in a standard location
+RUN python3 -m venv /opt/venv
+
+# 2. Add the venv's bin directory to the PATH
+# This effectively "activates" the venv for all subsequent commands
+ENV PATH="/opt/venv/bin:$PATH"
+# --- End of Venv Additions ---
+
+# Copy the requirements file first to leverage Docker layer caching
+COPY requirements.txt requirements.txt
+
+# Install Python dependencies
+# This pip command will now use the venv's pip
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of your application code into the container
+COPY . .
+
+# Expose the port the app will run on
+EXPOSE 7860
+
+# Set the port as an environment variable
+ENV PORT=7860
+
+# Command to run the application in production using Gunicorn
+# This gunicorn command will use the venv's gunicorn (thanks to the PATH update)
+CMD ["gunicorn", "--workers", "4", "--bind", "0.0.0.0:7860", "main:app"]