Docker build error missing shared library libresolv.so.2 when running update in last stage in Dockerfile

[s0alqasim1d]

Running build on Docker windows with WSL2 returns an error while building

 => [stage-1 2/6] RUN apk add --no-cache libc6-compat
 => [stage-1 3/6] WORKDIR /app
 => [build-env 2/2] RUN go install github.com/rverton/webanalyze/cmd/webanalyze@latest
 => [stage-1 4/6] COPY --from=build-env /go/bin/webanalyze .
 => [stage-1 5/6] RUN mkdir -p /app     && adduser -D webanalyze     && chown -R webanalyze:webanalyze /app
 => ERROR [stage-1 6/6] RUN ["./webanalyze", "-update"]
 > [stage-1 6/6] RUN ["./webanalyze", "-update"]:
#12 0.426 Error loading shared library libresolv.so.2: No such file or directory (needed by ./webanalyze)

[s0alqasim1d]

solved by linking /lib/libc.so.6 to /usr/lib/libresolv.so.2 with ln -s /lib/libc.so.6 /usr/lib/libresolv.so.2 before reaching the update command in the dockerfile.

FROM golang:latest AS build-env
RUN go install github.com/rverton/webanalyze/cmd/webanalyze@latest
FROM alpine:latest
RUN apk add --no-cache libc6-compat
WORKDIR /app
COPY --from=build-env /go/bin/webanalyze .
RUN mkdir -p /app \
    && adduser -D webanalyze \
    && chown -R webanalyze:webanalyze /app \
    && ln -s /lib/libc.so.6 /usr/lib/libresolv.so.2
USER webanalyze
RUN ["./webanalyze", "-update"]
ENTRYPOINT ["./webanalyze"]