FROM golang:1.25.1 AS builder ENV CGO_ENABLED=0 GOOS=linux GOARCH=amd64 WORKDIR /app COPY go.mod go.sum ./ RUN go mod download COPY . . RUN go build -ldflags="-s -w" -o spotify-ws . FROM gcr.io/distroless/static:nonroot WORKDIR /app COPY --from=builder --chown=nonroot:nonroot /app/spotify-ws . EXPOSE 3000 HEALTHCHECK --interval=30s --timeout=5s --start-period=5s CMD ["/spotify-ws", "-health"] USER nonroot:nonroot CMD ["/spotify-ws"]