update powerdns to 4.7.4, alpine to 3.18

Dockerfile

@@ -1,7 +1,7 @@
-FROM alpine:3.15
-MAINTAINER Christoph Wiechert <wio@psitrax.de>
+FROM alpine:3.18
+MAINTAINER Michael Hinz <michael.hinz@nhn.no>
 
-ENV POWERDNS_VERSION=4.6.0 \
+ENV POWERDNS_VERSION=4.7.4 \
     MYSQL_DEFAULT_AUTOCONF=true \
     MYSQL_DEFAULT_HOST="mysql" \
     MYSQL_DEFAULT_PORT="3306" \

schema.sql

@@ -3,13 +3,16 @@ CREATE TABLE domains (
   name                  VARCHAR(255) NOT NULL,
   master                VARCHAR(128) DEFAULT NULL,
   last_check            INT DEFAULT NULL,
-  type                  VARCHAR(6) NOT NULL,
+  type                  VARCHAR(8) NOT NULL,
   notified_serial       INT UNSIGNED DEFAULT NULL,
   account               VARCHAR(40) CHARACTER SET 'utf8' DEFAULT NULL,
+  options               VARCHAR(64000) DEFAULT NULL,
+  catalog               VARCHAR(255) DEFAULT NULL,
   PRIMARY KEY (id)
 ) Engine=InnoDB CHARACTER SET 'latin1';
 
 CREATE UNIQUE INDEX name_index ON domains(name);
+CREATE INDEX catalog_idx ON domains(catalog);
 
 
 CREATE TABLE records (