# Build stage
FROM golang:1.21-alpine AS builder

WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /app/go-helper ./cmd

# Run stage
FROM alpine:3.19

RUN apk add --no-cache ca-certificates tzdata
ENV TZ=Asia/Shanghai

WORKDIR /app
COPY --from=builder /app/go-helper .
COPY .env.example .env

ENTRYPOINT ["./go-helper"]