Dockerfile

# Multi-stage build for IoTStudio

# Backend builder stage
FROM golang:1.21-alpine AS backend-builder
WORKDIR /app/backend

# Install build dependencies
RUN apk add --no-cache git make gcc musl-dev sqlite-dev

# Copy go mod files
COPY backend/go.mod backend/go.sum ./
RUN go mod download

# Copy backend source
COPY backend/ .

# Build backend
RUN CGO_ENABLED=1 GOOS=linux go build -a -installsuffix cgo -o server ./cmd/server

# Frontend builder stage
FROM node:18-alpine AS frontend-builder
WORKDIR /app/frontend

# Copy package files
COPY frontend/package*.json ./
RUN npm ci

# Copy frontend source
COPY frontend/ .

# Build frontend
RUN npm run build

# Final stage
FROM alpine:latest
WORKDIR /app

# Install runtime dependencies
RUN apk --no-cache add ca-certificates sqlite tzdata

# Copy backend binary
COPY --from=backend-builder /app/backend/server .

# Copy frontend static files
COPY --from=frontend-builder /app/frontend/dist ./static

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

# Expose ports
EXPOSE 8080

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1

# Run server
CMD ["./server"]