FROM golang:1.22-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 go build -ldflags="-s -w" -o nanometrics-server .

FROM alpine:3.19
RUN apk add --no-cache ca-certificates
WORKDIR /app
COPY --from=builder /app/nanometrics-server .
VOLUME /data
EXPOSE 8080 9999/udp
CMD ["./nanometrics-server"]