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# Original credit: https://github.com/jpetazzo/dockvpn
# Smallest base image
FROM alpine:latest
LABEL maintainer="Kyle Manna <kyle@kylemanna.com>"
# Testing: pamtester
RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing/" >> /etc/apk/repositories && \
apk add --update openvpn iptables bash easy-rsa openvpn-auth-pam google-authenticator pamtester && \
ln -s /usr/share/easy-rsa/easyrsa /usr/local/bin && \
rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*
# Needed by scripts
ENV OPENVPN /etc/openvpn
ENV EASYRSA /usr/share/easy-rsa
ENV EASYRSA_PKI $OPENVPN/pki
ENV EASYRSA_VARS_FILE $OPENVPN/vars
# Prevents refused client connection because of an expired CRL
ENV EASYRSA_CRL_DAYS 3650
VOLUME ["/etc/openvpn"]
# Internally uses port 1194/udp, remap using `docker run -p 443:1194/tcp`
EXPOSE 1194/udp
CMD ["ovpn_run"]
ADD ./bin /usr/local/bin
RUN chmod a+x /usr/local/bin/*
# Add support for OTP authentication using a PAM module
ADD ./otp/openvpn /etc/pam.d/
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