FROM python:3.11-slim

WORKDIR /app

# Grant write permissions to /app so that git clone can create a subdirectory
RUN chmod 777 /app

# Install git
RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*

# Environment variables for the application
ENV APP_DIR_NAME=vertex
ENV GIT_REPO_URL=https://huggingface.co/spaces/bibibi12345/vertex
ENV ACTUAL_APP_SUBDIR=app
ENV PIP_PACKAGES_DIR=/app/pip_packages

# Create a directory for the credentials (if needed by the cloned app)
RUN mkdir -p /app/credentials

# Expose the port
EXPOSE 7860

# Command to clone/pull, install dependencies into a specific directory, and run the application
CMD /bin/sh -c '\
    set -e; \
    CLONED_REPO_PATH="/app/$APP_DIR_NAME"; \
    ACTUAL_APP_PATH="$CLONED_REPO_PATH/$ACTUAL_APP_SUBDIR"; \
    \
    echo "Target repository directory: $CLONED_REPO_PATH"; \
    echo "Actual application directory: $ACTUAL_APP_PATH"; \
    echo "Pip packages will be installed in: $PIP_PACKAGES_DIR"; \
    \
    mkdir -p "$PIP_PACKAGES_DIR"; \
    export PYTHONPATH="$PIP_PACKAGES_DIR${PYTHONPATH:+:$PYTHONPATH}"; \
    export PATH="$PIP_PACKAGES_DIR/bin${PATH:+:$PATH}"; \
    \
    if [ ! -d "$CLONED_REPO_PATH/.git" ]; then \
      echo "Cloning repository $GIT_REPO_URL into $CLONED_REPO_PATH..."; \
      git clone "$GIT_REPO_URL" "$CLONED_REPO_PATH"; \
    else \
      echo "Repository exists in $CLONED_REPO_PATH. Pulling latest changes..."; \
      cd "$CLONED_REPO_PATH"; \
      git config --global --add safe.directory "$CLONED_REPO_PATH"; \
      git pull; \
    fi; \
    \
    echo "Changing directory to actual application path: $ACTUAL_APP_PATH"; \
    cd "$ACTUAL_APP_PATH"; \
    \
    echo "Current directory for dependencies and app launch: $(pwd)"; \
    if [ -f "requirements.txt" ]; then \
      echo "Installing dependencies from requirements.txt into $PIP_PACKAGES_DIR..."; \
      pip install --no-cache-dir -r requirements.txt --target "$PIP_PACKAGES_DIR"; \
    else \
      echo "requirements.txt not found in $(pwd). Skipping pip install."; \
    fi; \
    \
    echo "PYTHONPATH is: $PYTHONPATH"; \
    echo "PATH is: $PATH"; \
    echo "Looking for uvicorn:"; \
    which uvicorn || echo "uvicorn not found in PATH"; \
    \
    echo "Starting application (uvicorn main:app) on port 7860 from $(pwd)..."; \
    exec uvicorn main:app --host 0.0.0.0 --port 7860'