First commit

.env

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+PUID=101
+PGID=101
+TZ=Etc/UTC

.gitignore

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+# 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

Dockerfile

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+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"]

compose.yml

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+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

entrypoint.sh

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+#!/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