FROM golang:1.14.2-buster AS user-builder
RUN git clone https://github.com/pashcovich/openvpn-user /app && cd /app && env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags='-linkmode external -extldflags "-static" -s -w' -o openvpn-user

FROM alpine:3.13
COPY --from=user-builder /app/openvpn-user /usr/local/bin
RUN apk add --update bash openvpn easy-rsa  && \
    ln -s /usr/share/easy-rsa/easyrsa /usr/local/bin && \
    rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*
COPY .werffiles /etc/openvpn/setup
RUN chmod +x /etc/openvpn/setup/configure.sh