FROM golang:1.21-alpine AS builder WORKDIR /app # Copy go mod files COPY go.mod go.sum ./ RUN go mod download # Copy source COPY . . # Build RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main . FROM alpine:latest RUN apk --no-cache add ca-certificates curl WORKDIR /root/ COPY --from=builder /app/main . EXPOSE 8080 CMD ["./main"]