Update Dockerfile

Dockerfile

@@ -1,49 +1,30 @@
-# --- Backend build stage ---
-FROM python:3.9-slim AS backend
-
-WORKDIR /app
-
-# Copy backend code and requirements
-COPY ./backend ./backend
-COPY ./distance.py ./distance.py
-COPY ./area.py ./area.py
-COPY ./coordinate_converter.py ./coordinate_converter.py
-COPY ./terrain.py ./terrain.py
-COPY requirements.txt .
-
-# Install Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
-
-# --- Frontend static stage ---
-FROM nginx:alpine AS frontend
+FROM python:3.9-slim
 
 WORKDIR /app
-COPY ./frontend /app/frontend
-COPY nginx.conf /etc/nginx/conf.d/default.conf
 
-# --- Final stage ---
-FROM python:3.9-slim
+# Copy backend code
+COPY backend /app/backend
 
-WORKDIR /app
+# Copy backend utility modules (if any are outside /backend, add more COPY lines)
+# (Not needed if all are in /backend)
 
-# Copy backend from backend stage
-COPY --from=backend /app /app
+# Copy frontend static files
+COPY frontend /app/frontend
 
-# Copy frontend static files and nginx config from frontend stage
-COPY --from=frontend /app/frontend /app/frontend
-COPY --from=frontend /etc/nginx/conf.d/default.conf /etc/nginx/conf.d/default.conf
+# Copy requirements
+COPY backend/requirements.txt /app/requirements.txt
 
-# Install Python dependencies again (for runtime)
-RUN pip install --no-cache-dir fastapi uvicorn httpx pyproj python-multipart pydantic python-dotenv aiofiles
+# Install dependencies
+RUN pip install --no-cache-dir -r /app/requirements.txt
 
 # Install nginx
 RUN apt-get update && apt-get install -y nginx && rm -rf /var/lib/apt/lists/*
 
-# Copy nginx config (again, for safety)
+# Copy nginx config
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
 # Expose the port nginx will listen on
 EXPOSE 7860
 
-# Start both FastAPI backend and nginx
+# Start FastAPI backend and nginx
 CMD uvicorn backend.main:app --host 0.0.0.0 --port 8000 & nginx -g 'daemon off;'