feat: cleanup docker setup

- Add .dockerignore
- Replace .env with .env.example
- Add migrations service
- Cleanup Dockerfile: simpler setup, simpler copy, no migrations inside the image
- Update README to match new instruction

Dockerfile

@@ -1,31 +1,26 @@
-FROM node:20-alpine AS build
+FROM node:20.11-bullseye AS build
+
 WORKDIR /app
 
-# Install dependencies
-RUN apk update && \
-    apk add --no-cache openssl python3 make g++ \
-    && ln -sf python3 /usr/bin/python
-
 # Copy package files and install dependencies
-COPY package.json package-lock.json ./
+COPY package*.json ./
 RUN npm install
 
 # Copy application files
-COPY src/ src/
-COPY scripts/ scripts/
-COPY prisma/schema.prisma prisma/
-COPY tsconfig.json ./
+COPY . .
 
 # Generate prisma client and build the application
 RUN npx prisma generate
 RUN npm run build
 
 # Runtime stage
-FROM node:20-alpine
+FROM node:20.11-alpine as runtime
+
 WORKDIR /app
 
 RUN apk update && \
-    apk add --no-cache openssl
+    apk add --no-cache openssl && \
+    rm -rf /var/cache/apk/*
 
 # Copy built files from the build stage
 COPY --from=build /app .
@@ -33,11 +28,7 @@ COPY --from=build /app .
 # Install only runtime dependencies
 RUN npm install --only=production
 
-# Copy and run migrations
-COPY --from=build /app/prisma ./prisma
-RUN npx prisma migrate deploy
-RUN npx prisma db push
+EXPOSE 3000
 
-# Set entrypoint
-ENTRYPOINT [ "node", "scripts/start.js" ]
+ENTRYPOINT [ "node", "./dist/index.js" ]
 CMD ["start"]