[#4] 构建bind9镜像

src/bind/build/Dockerfile

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+FROM ubuntu:22.04
+
+# Set timezone and avoid interactive prompts
+ENV DEBIAN_FRONTEND=noninteractive
+ENV TZ=Asia/Shanghai
+
+# Update package list and install required packages
+RUN apt-get update && \
+    apt-get install -y \
+    bind9 \
+    bind9utils \
+    bind9-doc \
+    supervisor \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create supervisor configuration directory
+RUN mkdir -p /etc/supervisor/conf.d
+
+# Copy supervisor configuration
+COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+
+# Copy BIND9 configuration files
+COPY named.conf.local /etc/bind/named.conf.local
+COPY db.argus.com /etc/bind/db.argus.com
+
+# Copy startup and reload scripts
+COPY startup.sh /usr/local/bin/startup.sh
+COPY reload-bind9.sh /usr/local/bin/reload-bind9.sh
+
+# Make scripts executable
+RUN chmod +x /usr/local/bin/startup.sh /usr/local/bin/reload-bind9.sh
+
+# Set proper ownership for BIND9 files
+RUN chown bind:bind /etc/bind/named.conf.local /etc/bind/db.argus.com
+
+# Expose DNS port
+EXPOSE 53/tcp 53/udp
+
+# Use root user as requested
+USER root
+
+# Start with startup script
+CMD ["/usr/local/bin/startup.sh"]

src/bind/build/db.argus.com

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+$TTL    604800
+@       IN      SOA     ns1.argus.com. admin.argus.com. (
+                              2         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                         604800 )       ; Negative Cache TTL
+
+; 定义 DNS 服务器
+@       IN      NS      ns1.argus.com.
+
+; 定义 ns1 主机
+ns1     IN      A       127.0.0.1
+
+; 定义 web 指向 12.4.5.6
+web     IN      A       12.4.5.6

src/bind/build/named.conf.local

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+zone "argus.com" {
+    type master;
+    file "/etc/bind/db.argus.com";
+};

src/bind/build/private/argus/bind/db.argus.com

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+$TTL    604800
+@       IN      SOA     ns1.argus.com. admin.argus.com. (
+                              2         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                         604800 )       ; Negative Cache TTL
+
+; 定义 DNS 服务器
+@       IN      NS      ns1.argus.com.
+
+; 定义 ns1 主机
+ns1     IN      A       127.0.0.1
+
+; 定义 web 指向 12.4.5.6
+web     IN      A       22.4.5.6

src/bind/build/private/argus/bind/named.conf.local

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+zone "argus.com" {
+    type master;
+    file "/etc/bind/db.argus.com";
+};

src/bind/build/reload-bind9.sh

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+#!/bin/bash
+
+echo "Reloading BIND9 configuration..."
+
+# Check if configuration files are valid
+echo "Checking named.conf.local syntax..."
+if ! named-checkconf /etc/bind/named.conf.local; then
+    echo "ERROR: named.conf.local has syntax errors!"
+    exit 1
+fi
+
+echo "Checking zone file syntax..."
+if ! named-checkzone argus.com /etc/bind/db.argus.com; then
+    echo "ERROR: db.argus.com has syntax errors!"
+    exit 1
+fi
+
+# Reload BIND9 via supervisor
+echo "Reloading BIND9 service..."
+supervisorctl restart bind9
+
+if [ $? -eq 0 ]; then
+    echo "BIND9 reloaded successfully!"
+else
+    echo "ERROR: Failed to reload BIND9!"
+    exit 1
+fi

src/bind/build/startup.sh

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+#!/bin/bash
+
+# Set /private permissions to 777 as requested
+chmod 777 /private 2>/dev/null || true
+
+# Create persistent directory for BIND9 configs
+mkdir -p /private/argus/bind
+
+# Copy configuration files to persistent storage if they don't exist
+if [ ! -f /private/argus/bind/named.conf.local ]; then
+    cp /etc/bind/named.conf.local /private/argus/bind/named.conf.local
+fi
+
+if [ ! -f /private/argus/bind/db.argus.com ]; then
+    cp /etc/bind/db.argus.com /private/argus/bind/db.argus.com
+fi
+
+# Create symlinks to use persistent configs
+ln -sf /private/argus/bind/named.conf.local /etc/bind/named.conf.local
+ln -sf /private/argus/bind/db.argus.com /etc/bind/db.argus.com
+
+# Set proper ownership
+chown bind:bind /private/argus/bind/named.conf.local /private/argus/bind/db.argus.com
+
+# Create supervisor log directory
+mkdir -p /var/log/supervisor
+
+# Start supervisor
+exec /usr/bin/supervisord -c /etc/supervisor/conf.d/supervisord.conf

src/bind/build/supervisord.conf

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+[unix_http_server]
+file=/var/run/supervisor.sock
+chmod=0700
+
+[supervisord]
+nodaemon=true
+user=root
+logfile=/var/log/supervisor/supervisord.log
+pidfile=/var/run/supervisord.pid
+
+[rpcinterface:supervisor]
+supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
+
+[supervisorctl]
+serverurl=unix:///var/run/supervisor.sock
+
+[program:bind9]
+command=/usr/sbin/named -g -c /etc/bind/named.conf -u bind
+user=bind
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/supervisor/bind9.err.log
+stdout_logfile=/var/log/supervisor/bind9.out.log
+priority=10