dockerfile.md

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Stage 1: Build Frontend

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FROM node:20-alpine AS frontend-builder

WORKDIR /app/frontend

Copy frontend package files

COPY LocalMind-Frontend/package*.json ./ COPY LocalMind-Frontend/pnpm-lock.yaml* ./

Install pnpm and dependencies

RUN npm install -g pnpm &&
pnpm install --frozen-lockfile

Copy frontend source code

COPY LocalMind-Frontend/ ./

Build frontend for production

RUN pnpm run build

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Stage 2: Build Backend

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FROM node:20-alpine AS backend-builder

WORKDIR /app/backend

Copy backend package files

COPY LocalMind-Backend/package*.json ./ COPY LocalMind-Backend/pnpm-lock.yaml* ./

Install pnpm and dependencies

RUN npm install -g pnpm &&
pnpm install --frozen-lockfile

Copy backend source code

COPY LocalMind-Backend/ ./

Build backend (compile TypeScript)

RUN pnpm run build

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Stage 3: Production Image

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FROM node:20-alpine

Install dumb-init for proper signal handling

RUN apk add --no-cache dumb-init

Create non-root user for security

RUN addgroup -g 1001 -S localmind &&
adduser -S localmind -u 1001

WORKDIR /app

Copy backend dependencies and built files

COPY --from=backend-builder /app/backend/package*.json ./ COPY --from=backend-builder /app/backend/pnpm-lock.yaml* ./ COPY --from=backend-builder /app/backend/node_modules ./node_modules COPY --from=backend-builder /app/backend/dist ./dist COPY --from=backend-builder /app/backend/types ./types

Copy built frontend files to serve statically

COPY --from=frontend-builder /app/frontend/dist ./public

Create directories for uploads and data

RUN mkdir -p /app/uploads /app/data &&
chown -R localmind:localmind /app

Switch to non-root user

USER localmind

Expose application port

EXPOSE 3000

Health check

HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3
CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

Use dumb-init to handle signals properly

ENTRYPOINT ["dumb-init", "--"]

Start the application

CMD ["node", "dist/index.js"]