MySQL support

postfix/entrypoint.sh

@@ -4,16 +4,33 @@ set -e
 # Generate main.cf from template with environment variables
 envsubst < /etc/postfix/main.cf.template > /etc/postfix/main.cf
 
+# Generate MySQL virtual alias config from template
+envsubst < /etc/postfix/mysql_virtual_alias_maps.cf.template > /etc/postfix/mysql_virtual_alias_maps.cf
+
 # Generate SASL password file from environment variables
 envsubst < /etc/postfix/sasl_passwd.template > /etc/postfix/sasl_passwd
 
+# Wait for MySQL to be ready
+echo "Waiting for MySQL to be ready..."
+for i in $(seq 1 30); do
+    if nc -z ${MYSQL_HOST} ${MYSQL_PORT} 2>/dev/null; then
+        echo "MySQL is ready!"
+        break
+    fi
+    echo "Waiting for MySQL... ($i/30)"
+    sleep 2
+done
+
 # Generate Postfix hash databases
 postmap /etc/postfix/sasl_passwd
 chmod 600 /etc/postfix/sasl_passwd /etc/postfix/sasl_passwd.db
 
-# Regenerate sender_access database (in case of updates)
+# Regenerate sender_access database
 postmap /etc/postfix/sender_access
 chmod 644 /etc/postfix/sender_access /etc/postfix/sender_access.db
 
+# Set permissions on MySQL config
+chmod 644 /etc/postfix/mysql_virtual_alias_maps.cf
+
 # Start Postfix in foreground
 exec postfix start-fg