reduce docker image size

.dockerignore

@@ -0,0 +1,7 @@
+node_modules
+build/
+.git
+*.log
+.cache
+backend/data/
+backend/token_frequencies.json

Dockerfile

@@ -1,9 +1,9 @@
 # Stage 1: Build React frontend
-FROM node:14 AS frontend-builder
+FROM node:14-alpine AS frontend-builder
 
 WORKDIR /app/frontend
 
-# Copy frontend code
+# Copy frontend code and install dependencies
 COPY frontend/package*.json ./
 RUN npm install
 
@@ -11,34 +11,35 @@ COPY frontend/ ./
 RUN npm run build
 
 # Stage 2: Build FastAPI backend
-FROM python:3.8-slim AS backend-builder
+FROM python:3.8-alpine AS backend-builder
 
 WORKDIR /app/backend
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y gcc libpq-dev
+# Install system dependencies (use lightweight alternatives)
+RUN apk update && apk add --no-cache gcc libpq-dev
 
-# Copy backend code
+# Copy backend code and install Python dependencies
 COPY backend/requirements.txt ./
-
-# Debugging: List contents to verify requirements.txt is present
-RUN ls -la
-
-# Install Python dependencies
-RUN pip install --no-cache-dir -r ./requirements.txt && pip freeze
+RUN pip install --no-cache-dir -r requirements.txt
 
 COPY backend/ ./
 
 # Stage 3: Final stage
-FROM python:3.8-slim
+FROM python:3.8-alpine
 
 WORKDIR /app
 
-# Install serve globally to serve the React app
-RUN pip install uvicorn fastapi tqdm wikitextparser pydantic requests beautifulsoup4 && apt-get update && apt-get install -y nodejs npm && npm install -g serve
+# Step 1: Install nodejs, npm, and supervisor
+RUN apk update
+RUN apk add --no-cache nodejs npm supervisor
+
+# Step 2: Install Python dependencies
+RUN pip install --no-cache-dir uvicorn fastapi tqdm wikitextparser pydantic requests beautifulsoup4
+
+# Step 3: Install serve globally for serving React app
+RUN npm install -g serve
 
-# Install supervisord
-RUN apt-get install -y supervisor
+# No need for apk clean, it's not required
 
 # Copy supervisord configuration
 COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
@@ -53,5 +54,5 @@ COPY --from=backend-builder /app/backend /app/backend
 EXPOSE 7860
 EXPOSE 8000
 
-# Start supervisord
-CMD ["supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]
+# Start supervisord to manage both React frontend and FastAPI backend
+CMD ["supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]