For some reason, cloning the GitHub (which has been simplified) works from the Dockerfile directly.

But the wg0.conf file needs a re-copy on run-time. Working now.

Made code modifications and optimizations.

Please report bugs to me.

docker/Dockerfile

@@ -2,11 +2,7 @@
 FROM debian:stable-slim
 LABEL maintainer="dselen@nerthus.nl"
 
-# Copy the basic entrypoint.sh script.
-COPY entrypoint.sh /entrypoint.sh
-
 # Declaring environment variables, change Peernet to an address you like, standard is a 24 bit subnet.
-ARG dash_ver="v3.0.6.2"
 ENV wg_net="10.0.0.1"
 # wg_net is used functionally as an ARG for its environment variable nature, do not change unless you know what you are doing.
 
@@ -41,12 +37,12 @@ RUN apt-get update && apt-get upgrade -y \
 # 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.
 
 # 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/wireguardashboard
+ENV WGDASH=/opt/wireguarddashboard
 RUN python3 -m venv ${WGDASH}/venv
 
-# Doing WireGuard Dashboard installation measures.
+# Doing WireGuard Dashboard installation measures. Modify the git clone command to get the preferred version, with a specific branch for example.
 RUN . ${WGDASH}/venv/bin/activate \
-  && git clone -b ${dash_ver} https://github.com/donaldzou/WGDashboard.git ${WGDASH}/app \
+  && git clone https://github.com/donaldzou/WGDashboard.git ${WGDASH}/app \
   && pip3 install -r ${WGDASH}/app/src/requirements.txt \
   && chmod +x ${WGDASH}/app/src/wgd.sh \
   && .${WGDASH}/app/src/wgd.sh install
@@ -58,21 +54,24 @@ VOLUME /etc/wireguard
 # Also setting the pipefail option, verbose: https://github.com/hadolint/hadolint/wiki/DL4006.
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN wg genkey | tee /etc/wireguard/wg0_privatekey \
-  && echo "[Interface]" > /etc/wireguard/wg0.conf \
-  && echo "SaveConfig = true" >> /etc/wireguard/wg0.conf \
-  && echo "Address = ${wg_net}/24" >> /etc/wireguard/wg0.conf \
-  && echo "PrivateKey = $(cat /etc/wireguard/wg0_privatekey)" >> /etc/wireguard/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" >> /etc/wireguard/wg0.conf \
-  && echo "PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP" >> /etc/wireguard/wg0.conf \
-  && echo "PreDown = iptables -t nat -D POSTROUTING 1" >> /etc/wireguard/wg0.conf \
-  && echo "PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP" >> /etc/wireguard/wg0.conf \
-  && echo "ListenPort = 51820" >> /etc/wireguard/wg0.conf \
-  #&& echo "DNS = ${global_dns}" >> /etc/wireguard/wg0.conf \
+  && echo "[Interface]" > /wg0.conf \
+  && echo "SaveConfig = true" >> /wg0.conf \
+  && echo "Address = ${wg_net}/24" >> /wg0.conf \
+  && echo "PrivateKey = $(cat /etc/wireguard/wg0_privatekey)" >> /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" >> /wg0.conf \
+  && echo "PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP" >> /wg0.conf \
+  && echo "PreDown = iptables -t nat -D POSTROUTING 1" >> /wg0.conf \
+  && echo "PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP" >> /wg0.conf \
+  && echo "ListenPort = 51820" >> /wg0.conf \
+  #&& echo "DNS = ${global_dns}" >> /wg0.conf \
   && rm /etc/wireguard/wg0_privatekey
 
 # Defining a way for Docker to check the health of the container.
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 CMD curl -f http://localhost:10086/signin || 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"]

docker/compose.yaml

@@ -14,7 +14,7 @@ services:
       - 51820:51820/udp
     volumes:
       - conf:/etc/wireguard
-      - app:/opt/wireguardashboard/app
+      - app:/opt/wireguarddashboard/app
     cap_add:
       - NET_ADMIN
 

docker/entrypoint.sh

@@ -2,17 +2,24 @@
 echo "Starting the WireGuard Dashboard Docker container."
 
 clean_up() {
+  # Cleaning out previous data such as the .pid file and starting the WireGuard Dashboard. Making sure to use the python venv.
   echo "Looking for remains of previous instances..."
-  if [ -f "/opt/wireguardashboard/app/src/gunicorn.pid" ]; then
+  if [ -f "/opt/wireguarddashboard/app/src/gunicorn.pid" ]; then
     echo "Found old .pid file, removing."
-    rm /opt/wireguardashboard/app/src/gunicorn.pid
+    rm /opt/wireguarddashboard/app/src/gunicorn.pid
   else
     echo "No remains found, continuing."
   fi
 }
 
 start_core() {
-  # Cleaning out previous data such as the .pid file and starting the WireGuard Dashboard. Making sure to use the python venv.
+  if [ ! -f "/etc/wireguard/wg0.conf" ]; then
+    cp "/wg0.conf" "/etc/wireguard/wg0.conf"
+    echo "WireGuard interface file copied over."
+  else
+    echo "WireGuard interface file looks to already be existing."
+  fi
+  
   echo "Activating Python venv and executing the WireGuard Dashboard service."
 
   . "${WGDASH}"/venv/bin/activate
@@ -20,22 +27,25 @@ start_core() {
   bash wgd.sh start
 
   # The following section takes care of the firewall rules regarding the 'isolated_peers' feature, which allows or drops packets destined from the wg0 to the wg0 interface.
-  if [ "${isolated_peers,,}" == "false" ]; then
+  if [ "${isolated_peers,,}" = "false" ]; then
     echo "Isolated peers disabled, adjusting."
 
     sed -i '/PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP/d' /etc/wireguard/wg0.conf
     sed -i '/PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP/d' /etc/wireguard/wg0.conf
-  elif [ "${isolated_peers,,}" == "true" ] && \
-       [ "$(grep -c "PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP" /etc/wireguard/wg0.conf)" -lt 1 ] && \
-       [ "$(grep -c "PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP" /etc/wireguard/wg0.conf)" -lt 1 ]; then
+  elif [ "${isolated_peers,,}" = "true" ]; then
+    upblocking=$(grep -c "PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP" /etc/wireguard/wg0.conf)
+    downblocking=$(grep -c "PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP" /etc/wireguard/wg0.conf)
+    if [ "$upblocking" -lt 1 ] && [ "$downblocking" -lt 1 ]; then
       echo "Isolated peers enabled, adjusting."
 
       sed -i '/PostUp = iptables -t nat -I POSTROUTING 1 -s/a PostUp = iptables -I FORWARD -i wg0 -o wg0 -j DROP' /etc/wireguard/wg0.conf
       sed -i '/PreDown = iptables -t nat -D POSTROUTING 1 -s/a PreDown = iptables -D FORWARD -i wg0 -o wg0 -j DROP' /etc/wireguard/wg0.conf
     fi
 
+  fi
+
   # The following section takes care of 
-  if [ "${enable_wg0,,}" == "true" ]; then
+  if [ "${enable_wg0,,}" = "true" ]; then
     echo "Preference for wg0 to be turned on found."
 
     wg-quick up wg0
@@ -56,23 +66,23 @@ set_envvars() {
   fi
 
   # Changing the DNS used for clients and the dashboard itself.
-  if [ "${global_dns}" != "$(grep "peer_global_dns = " /opt/wireguardashboard/app/src/wg-dashboard.ini | awk '{print $NF}')" ]; then 
+  if [ "${global_dns}" != "$(grep "peer_global_dns = " /opt/wireguarddashboard/app/src/wg-dashboard.ini | awk '{print $NF}')" ]; then 
     echo "Changing default dns."
 
     #sed -i "s/^DNS = .*/DNS = ${global_dns}/" /etc/wireguard/wg0.conf # Uncomment if you want to have DNS on server-level.
-    sed -i "s/^peer_global_dns = .*/peer_global_dns = ${global_dns}/" /opt/wireguardashboard/app/src/wg-dashboard.ini
+    sed -i "s/^peer_global_dns = .*/peer_global_dns = ${global_dns}/" /opt/wireguarddashboard/app/src/wg-dashboard.ini
   fi
 
   # Setting the public IP of the WireGuard Dashboard container host. If not defined, it will trying fetching it using a curl to ifconfig.me.
-  if [ "${public_ip}" == "0.0.0.0" ]; then
+  if [ "${public_ip}" = "0.0.0.0" ]; then
     default_ip=$(curl -s ifconfig.me)
     echo "Trying to fetch the Public-IP using ifconfig.me: ${default_ip}"
 
-    sed -i "s/^remote_endpoint = .*/remote_endpoint = ${default_ip}/" /opt/wireguardashboard/app/src/wg-dashboard.ini
-  elif [ "${public_ip}" != "$(grep "remote_endpoint = " /opt/wireguardashboard/app/src/wg-dashboard.ini | awk '{print $NF}')" ]; then
+    sed -i "s/^remote_endpoint = .*/remote_endpoint = ${default_ip}/" /opt/wireguarddashboard/app/src/wg-dashboard.ini
+  elif [ "${public_ip}" != "$(grep "remote_endpoint = " /opt/wireguarddashboard/app/src/wg-dashboard.ini | awk '{print $NF}')" ]; then
     echo "Setting the Public-IP using given variable: ${public_ip}"
 
-    sed -i "s/^remote_endpoint = .*/remote_endpoint = ${public_ip}/" /opt/wireguardashboard/app/src/wg-dashboard.ini
+    sed -i "s/^remote_endpoint = .*/remote_endpoint = ${public_ip}/" /opt/wireguarddashboard/app/src/wg-dashboard.ini
   fi
 }
 
@@ -81,9 +91,9 @@ ensure_blocking() {
   echo "Ensuring container continuation."
 
   # This function checks if the latest error log is created and tails it for docker logs uses.
-  if find "/opt/wireguardashboard/app/src/log" -mindepth 1 -maxdepth 1 -type f | read -r; then
-    latestErrLog=$(find /opt/wireguardashboard/app/src/log -name "error_*.log" | head -n 1)
-    latestAccLog=$(find /opt/wireguardashboard/app/src/log -name "access_*.log" | head -n 1)
+  if find "/opt/wireguarddashboard/app/src/log" -mindepth 1 -maxdepth 1 -type f | read -r; then
+    latestErrLog=$(find /opt/wireguarddashboard/app/src/log -name "error_*.log" | head -n 1)
+    latestAccLog=$(find /opt/wireguarddashboard/app/src/log -name "access_*.log" | head -n 1)
     tail -f "${latestErrLog}" "${latestAccLog}"
   fi