From cbfc2113932b6f93b96458d2ee4fce4840e561bd Mon Sep 17 00:00:00 2001
From: "Alex Pooley (@zuedev)" <zuedev@gmail.com>
Date: Thu, 16 Apr 2026 19:13:06 +0100
Subject: initial commit

---
 .gitignore          |  2 ++
 Dockerfile          | 10 ++++++++++
 docker-compose.yaml | 11 +++++++++++
 entrypoint.bash     | 34 ++++++++++++++++++++++++++++++++++
 4 files changed, 57 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Dockerfile
 create mode 100644 docker-compose.yaml
 create mode 100644 entrypoint.bash

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dea4296
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/.env
+/nuclearoption/
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..77ecf3d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,10 @@
+FROM ghcr.io/steamcmd/steamcmd:debian-13
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    jq \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY entrypoint.bash /
+RUN chmod +x /entrypoint.bash
+ENTRYPOINT [ "/entrypoint.bash" ]
\ No newline at end of file
diff --git a/docker-compose.yaml b/docker-compose.yaml
new file mode 100644
index 0000000..c8c66b7
--- /dev/null
+++ b/docker-compose.yaml
@@ -0,0 +1,11 @@
+services:
+  nuclearoption:
+    build: .
+    # environment:
+    #   - STEAM_USERNAME=anonymous
+    #   - STEAM_PASSWORD=
+    network_mode: host
+    env_file:
+      - .env
+    volumes:
+      - ./nuclearoption:/app
\ No newline at end of file
diff --git a/entrypoint.bash b/entrypoint.bash
new file mode 100644
index 0000000..3616629
--- /dev/null
+++ b/entrypoint.bash
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# do we have a username and password?
+if [ "$STEAM_USERNAME" = "anonymous" ]; then
+    echo "Using anonymous login. No password needed."
+    STEAM_PASSWORD=""
+elif [ -z "$STEAM_USERNAME" ] || [ -z "$STEAM_PASSWORD" ]; then
+    echo "Please set STEAM_USERNAME and STEAM_PASSWORD environment variables."
+    echo "If you want to use anonymous login, set STEAM_USERNAME to 'anonymous' and leave STEAM_PASSWORD empty."
+    exit 1
+fi
+
+# install game server via steamcmd
+steamcmd +login "$STEAM_USERNAME" "$STEAM_PASSWORD" +force_install_dir /app +app_update 3930080 validate +quit
+
+# handle configuration file changes
+CONFIG_FIELDS=(
+    "ServerName"
+    "MaxPlayers"
+    "Password"
+)
+
+CONFIG_PATH="/app/DedicatedServerConfig.json"
+
+for FIELD in "${CONFIG_FIELDS[@]}"; do
+    ENV_VAR="CONFIG_${FIELD^^}"
+    if [ -n "${!ENV_VAR}" ]; then
+        echo "Setting $FIELD to ${!ENV_VAR} in config file."
+        jq --arg value "${!ENV_VAR}" ".${FIELD} = \$value" "$CONFIG_PATH" > tmp.$$.json && mv tmp.$$.json "$CONFIG_PATH"
+    fi
+done
+
+# run the server
+sh /app/RunServer.sh
\ No newline at end of file
-- 
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