Update Dockerfile

Dockerfile

@@ -1,17 +1,34 @@
-# Use a lightweight Python image
-FROM python:3.9-slim
-
-# Set the working directory in the container
-WORKDIR /app
-
-# Copy all your files (env.py, models.py, etc.) into the container
-COPY . .
-
-# Install the required libraries
-RUN pip install --no-cache-dir fastapi pydantic openenv-core uvicorn
-
-# Expose the port your env.py is running on
-EXPOSE 8000
-
-# Command to run your environment server
-CMD ["python", "env.py"]
+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Install system dependencies needed for some Python packages
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the requirements file first to leverage Docker cache
+# (Ensure your file is named requirements.txt on Hugging Face)
+COPY requirements.txt .
+
+# Install the necessary libraries
+# We include 'openenv' specifically to fix the ModuleNotFoundError
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir \
+    fastapi \
+    uvicorn \
+    pydantic \
+    openai \
+    openenv
+
+# Copy the rest of your application code
+COPY . .
+
+# Expose port 8000 (standard for FastAPI/OpenEnv)
+EXPOSE 8000
+
+# Command to run the OpenEnv server
+# This points to your 'env' file and the 'app' instance inside it
+CMD ["uvicorn", "env:app", "--host", "0.0.0.0", "--port", "8000"]