Remove PostgreSQL support from TightBlog

build.gradle

@@ -145,9 +145,11 @@ dependencies {
 
 	runtimeOnly('org.apache.derby:derby:10.17.1.0')
     integrationTestRuntimeOnly 'org.apache.derby:derby:10.17.1.0'
+
+    // MySQL JDBC driver for Docker deployments
+    runtimeOnly('mysql:mysql-connector-java:8.0.33')
+
 
-	// PostgreSQL JDBC jar, can remove if using other databases.
-	runtimeOnly('org.postgresql:postgresql')
 
 	providedCompile('org.apache.tomcat.embed:tomcat-embed-jasper:9.0.11')
 	// https://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#howto-create-a-deployable-war-file

docker/docker-compose.yml

@@ -22,19 +22,22 @@ services:
       depends_on:
         - "tightblog-db"
     tightblog-db:
-      image: postgres:latest
+      image: mysql:8.0
       environment:
 # Change credentials as desired if this is intended for production use :)
-        POSTGRES_USER: scott
-        POSTGRES_PASSWORD: tiger
-        POSTGRES_DB: pgsqlTightBlog
+        MYSQL_ROOT_PASSWORD: tiger
+        MYSQL_DATABASE: tightblog
+        MYSQL_USER: scott
+        MYSQL_PASSWORD: tiger
       expose:
-        - "5432"
+        - "3306"
       ports:
-# Optional, allows one to view the PostgresQL database at port 5434 with a SQL client running on the host
-        - "5434:5432"
+# Optional, allows one to view the MySQL database at port 3307 with a SQL client running on the host
+        - "3307:3306"
       volumes:
-        - tightblog-data:/var/lib/postgresql/data
+        - tightblog-data:/var/lib/mysql
+
+
 
 volumes:
     tightblog-data:

docker/web/Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:11-jdk
+FROM openjdk:25-jdk
 
 COPY docker/web/application-tbcustom.properties application-tbcustom.properties
 

docker/web/application-tbcustom.properties

@@ -11,10 +11,10 @@ mail.enabled=false
 #spring.mail.username=xxxx@gmail.com
 #spring.mail.password=yyyy
 
-spring.datasource.url=jdbc:postgresql://tightblog-db:5432/pgsqlTightBlog
+spring.datasource.url=jdbc:mysql://tightblog-db:3306/tightblog?useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=UTC
 spring.datasource.username=scott
 spring.datasource.password=tiger
-spring.datasource.driverClassName=org.postgresql.Driver
+spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
 
 # TightBlog requires SSL, to support that, create a keystore and place
 # in the directory of this file and configure its properties below.

etc/sqlgen/src/main/groovy/genDDL.groovy

@@ -57,8 +57,5 @@ genScript("mysql", "true", "text",
         "tinyint(1) default 0", "tinyint(1) default 1",
         "datetime(3)", "datetime(3) default CURRENT_TIMESTAMP(3)")
 
-// source for foreignKeyIndex val: http://www.postgresql.org/docs/9.1/static/ddl-constraints.html
-genScript("postgresql", "false", "text",
-        "boolean default false", "boolean default true",
-        "timestamp(3) with time zone", "timestamp(3) default now()")
+