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docker-openvpn/Dockerfile

 

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# Original credit: https://github.com/jpetazzo/dockvpn

 

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# Smallest base image

 

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FROM alpine:latest

 

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LABEL maintainer="Kyle Manna <kyle@kylemanna.com>"

 

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# Testing: pamtester

 

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RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing/" >> /etc/apk/repositories && \

 

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    apk add --update openvpn iptables bash easy-rsa openvpn-auth-pam google-authenticator pamtester && \

 

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    ln -s /usr/share/easy-rsa/easyrsa /usr/local/bin && \

 

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    rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*

 

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# Needed by scripts

 

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ENV OPENVPN /etc/openvpn

 

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ENV EASYRSA /usr/share/easy-rsa

 

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ENV EASYRSA_PKI $OPENVPN/pki

 

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ENV EASYRSA_VARS_FILE $OPENVPN/vars

 

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# Prevents refused client connection because of an expired CRL

 

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ENV EASYRSA_CRL_DAYS 3650

 

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VOLUME ["/etc/openvpn"]

 

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# Internally uses port 1194/udp, remap using `docker run -p 443:1194/tcp`

 

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EXPOSE 1194/udp

 

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CMD ["ovpn_run"]

 

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ADD ./bin /usr/local/bin

 

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RUN chmod a+x /usr/local/bin/*

 

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# Add support for OTP authentication using a PAM module

 

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ADD ./otp/openvpn /etc/pam.d/

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