commit 5ba8d0df1c3aa63592eec9c4e46f2e646b1ae6a3
Author: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Date:   Fri Jul 18 16:04:27 2025 +0200

    Initial commit

diff --git a/Dockerfile b/Dockerfile
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+++ b/Dockerfile
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+FROM alpine:3
+
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["/usr/sbin/openvpn", "--cd", "/etc/openvpn", "--config", "fdn.ovpn"]
+
+RUN apk --no-cache add openvpn
+
+RUN wget -O /etc/openvpn/fdn.ovpn https://git.fdn.fr/fdn-public/wiki/-/raw/master/vpn/openvpn/client/configuration/fdn-vpn.ovpn && sed -i 's@^auth-user-pass.*$@auth-user-pass fdn-pass.txt@' /etc/openvpn/fdn.ovpn
+COPY entrypoint.sh /docker-entrypoint.sh
diff --git a/README.md b/README.md
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+OpenVPN client for FDN VPN
+==========================
+
+You can use this container to join the FDN VPN inside a container.
+
+Basic usage:
+
+```
+read -s -p "VPN Password: " VPN_PASSWORD; export VPN_PASSWORD="${VPN_PASSWORD}"
+docker run --name fdn-router --rm --cap-add NET_ADMIN -e VPN_USERNAME=username@vpn.fdn.fr -e VPN_PASSWORD --device /dev/net/tun:/dev/net/tun nemunaire/openvpn-fdn
+```
+
+You can then create futher containers in the same network stack:
+
+```
+docker run --rm -it --network container:fdn-router alpine
+```
diff --git a/entrypoint.sh b/entrypoint.sh
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+++ b/entrypoint.sh
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+#!/bin/sh
+
+cat <<EOF > /etc/openvpn/fdn-pass.txt
+${VPN_USERNAME}
+${VPN_PASSWORD}
+EOF
+
+exec $@