# Multi-stage build for Cluster application with Go backend and React frontend

# Frontend build stage
FROM node:18 AS frontend-build

WORKDIR /app

# Copy package files
COPY frontend/package.json frontend/pnpm-lock.yaml ./

# Install pnpm globally
RUN npm install -g pnpm

# Install frontend dependencies
RUN pnpm install --frozen-lockfile

# Copy frontend source
COPY frontend/ .

# Build frontend
RUN pnpm run build

# Backend build stage
FROM golang:1.22 AS backend-build

WORKDIR /app

# Copy go mod files
COPY go.mod go.sum ./

# Download dependencies
RUN go mod download

# Copy only backend source code
COPY main.go ./
COPY internal/ ./internal/
COPY pkg/ ./pkg/

# Build backend
RUN go build -o cluster .

# Final stage - Nginx server
FROM nginx:latest

# Copy nginx configuration
COPY nginx.conf /etc/nginx/nginx.conf

# Copy backend binary
COPY --from=backend-build /app/cluster /app/cluster

# Copy frontend build
COPY --from=frontend-build /app/dist /usr/share/nginx/html

# Create data directory
RUN mkdir -p /app/x-storage

# Expose ports
EXPOSE 80

# Start backend and nginx
COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh
ENTRYPOINT ["/docker-entrypoint.sh"]