From 45cffd4b9e03fcb7fed739c3d47c458e2a5be8bb Mon Sep 17 00:00:00 2001
From: Christian Baer <chris@debilux.org>
Date: Fri, 16 May 2025 00:19:15 +0200
Subject: [PATCH] First commit

---
 .env          |  3 +++
 .gitignore    | 14 ++++++++++++++
 Dockerfile    | 23 +++++++++++++++++++++++
 compose.yml   | 14 ++++++++++++++
 entrypoint.sh | 29 +++++++++++++++++++++++++++++
 5 files changed, 83 insertions(+)
 create mode 100755 .env
 create mode 100755 .gitignore
 create mode 100755 Dockerfile
 create mode 100755 compose.yml
 create mode 100755 entrypoint.sh

diff --git a/.env b/.env
new file mode 100755
index 0000000..dd4d6a2
--- /dev/null
+++ b/.env
@@ -0,0 +1,3 @@
+PUID=101
+PGID=101
+TZ=Etc/UTC
diff --git a/.gitignore b/.gitignore
new file mode 100755
index 0000000..f250f68
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+# Compiled Python files
+*.pyc
+
+# Folder view configuration files
+.DS_Store
+Desktop.ini
+
+# Thumbnail cache files
+._*
+Thumbs.db
+
+# Files that might appear on external disks
+.Spotlight-V100
+.Trashes
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
new file mode 100755
index 0000000..ae35732
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,23 @@
+FROM debian:bullseye-slim
+
+# Install NSD and required tools
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends nsd tzdata && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Create necessary directories
+RUN mkdir -p /var/lib/nsd /var/run/nsd /etc/nsd/conf.d
+
+# Copy entrypoint script
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+# Volume for configuration and data
+VOLUME ["/etc/nsd", "/var/lib/nsd"]
+
+# Expose standard NSD port
+EXPOSE 53/tcp 53/udp
+
+# Set start command
+ENTRYPOINT ["/entrypoint.sh"]
\ No newline at end of file
diff --git a/compose.yml b/compose.yml
new file mode 100755
index 0000000..3735539
--- /dev/null
+++ b/compose.yml
@@ -0,0 +1,14 @@
+services:
+  nsd:
+    image: git.debilux.org/chris/docker-nsd
+    container_name: nsd
+    restart: unless-stopped
+    ports:
+      - "53:53/tcp"
+      - "53:53/udp"
+    environment:
+      - PUID=${PUID}
+      - PGID=${PGID}
+      - TZ=${TZ}
+    volumes:
+      - ./config:/etc/nsd
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 0000000..bf93f7d
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+
+# Default UID and GID if not specified
+PUID=${PUID:-101}
+PGID=${PGID:-101}
+# Default timezone if not specified
+TZ=${TZ:-Etc/UTC}
+
+# Set the timezone
+ln -snf /usr/share/zoneinfo/$TZ /etc/localtime
+echo "$TZ" >/etc/timezone
+echo "Timezone set to $TZ"
+
+# Adjust GID for the nsd group
+groupmod -o -g "$PGID" nsd
+echo "GID for group nsd adjusted to $PGID"
+
+# Adjust UID for the nsd user
+usermod -o -u "$PUID" nsd
+echo "UID for user nsd adjusted to $PUID"
+
+# Set correct permissions
+chown -R nsd:nsd /var/lib/nsd /var/run/nsd /etc/nsd
+echo "Permissions adjusted"
+
+# Start NSD in the foreground with reduced warnings
+echo "Starting NSD..."
+exec nsd -d