Dockerfile

# Build stage - Backend
FROM golang:1.22-alpine AS backend-builder

WORKDIR /build
RUN apk add --no-cache gcc musl-dev

COPY server/go.mod server/go.sum ./
RUN go mod download

COPY server/ .
RUN CGO_ENABLED=1 go build -ldflags="-s -w" -o admin-server .

# Build stage - Frontend
FROM node:20-alpine AS frontend-builder

WORKDIR /build
COPY web/package*.json ./
RUN npm ci --production=false

COPY web/ .
RUN npm run build

# Production stage
FROM alpine:3.19

RUN apk add --no-cache ca-certificates tzdata && \
    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
    echo "Asia/Shanghai" > /etc/timezone

WORKDIR /app

# Copy backend binary
COPY --from=backend-builder /build/admin-server .
COPY --from=backend-builder /build/config.yaml .

# Copy frontend dist
COPY --from=frontend-builder /build/dist ./web/dist

# Create necessary directories
RUN mkdir -p logs uploads

EXPOSE 8080

CMD ["./admin-server"]