# Pull from small Debian stable image. FROM alpine:latest AS build LABEL maintainer="dselen@nerthus.nl" # Declaring environment variables, change Peernet to an address you like, standard is a 24 bit subnet. ARG Git_Url="https://github.com/DaanSelen/WGDashboard.git" ARG wg_net="10.0.0.1" ARG wg_port="51820" # Following ENV variables are changable on container runtime because /entrypoint.sh handles that. See compose.yaml for more info. ENV TZ="Europe/Amsterdam" ENV global_dns="1.1.1.1" ENV enable="none" ENV isolate="wg0" ENV public_ip="0.0.0.0" ENV update="yes" # Doing package management operations, such as upgrading RUN apk update \ && apk add --no-cache bash git curl tzdata \ sudo py3-psutil py3-bcrypt # Using WGDASH -- like wg_net functionally as a ARG command. But it is needed in entrypoint.sh so it needs to be exported as environment variable. ENV WGDASH=/opt/wireguarddashboard # Removing the Linux Image package to preserve space on the image, for this reason also deleting apt lists, to be able to install packages: run apt update. # Doing WireGuard Dashboard installation measures. Modify the git clone command to get the preferred version, with a specific branch for example. RUN mkdir -p /setup/conf && mkdir /setup/app && mkdir ${WGDASH} \ && git clone ${Git_Url} /setup/app #COPY src /setup/app/src # Set the volume to be used for WireGuard configuration persistency. VOLUME /etc/wireguard VOLUME ${WGDASH} # Generate basic WireGuard interface. Echoing the WireGuard interface config for readability, adjust if you want it for efficiency. # Also setting the pipefail option, verbose: https://github.com/hadolint/hadolint/wiki/DL4006. SHELL ["/bin/bash", "-o", "pipefail", "-c"] RUN echo "[Interface]" > /setup/conf/wg0.conf \ && echo "Address = ${wg_net}/24" >> /setup/conf/wg0.conf \ && echo "PrivateKey =" >> /setup/conf/wg0.conf \ && echo "PostUp = iptables -t nat -I POSTROUTING 1 -s ${wg_net}/24 -o $(ip -o -4 route show to default | awk '{print $NF}') -j MASQUERADE" >> /setup/conf/wg0.conf \ && echo "PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP" >> /setup/conf/wg0.conf \ && echo "PreDown = iptables -t nat -D POSTROUTING -s ${wg_net}/24 -o $(ip -o -4 route show to default | awk '{print $NF}') -j MASQUERADE" >> /setup/conf/wg0.conf \ && echo "PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP" >> /setup/conf/wg0.conf \ && echo "ListenPort = ${wg_port}" >> /setup/conf/wg0.conf \ && echo "SaveConfig = true" >> /setup/conf/wg0.conf \ && echo "DNS = ${global_dns}" >> /setup/conf/wg0.conf # Defining a way for Docker to check the health of the container. In this case: checking the login URL. HEALTHCHECK --interval=2m --timeout=1m --start-period=20s --retries=3 \ CMD [ "$(curl -s -o /dev/null -w '%{http_code}' http://localhost:10086/)" -eq "200" ] || exit 1 # Copy the basic entrypoint.sh script. COPY entrypoint.sh /entrypoint.sh # Exposing the default WireGuard Dashboard port for web access. EXPOSE 10086 ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]