FROM golang:1.18-alpine AS build_base RUN apk add --no-cache git gcc ca-certificates libc-dev WORKDIR /build COPY go.mod go.sum ./ RUN go mod download COPY ./ ./ RUN go build -ldflags "-w -s" -trimpath -o speedtest . FROM alpine:3.16 RUN apk add --no-cache ca-certificates WORKDIR /app COPY --from=build_base /build/speedtest ./ COPY settings.toml ./ USER nobody EXPOSE 8989 CMD ["./speedtest"]