fix: [DEVOPS-298] Remove version and x64 platform specification from mysql docker-compose item (#234)

* build: remove version and platform specification from mysql docker image

also fix the config

* cleanup: remove commented-out code

also add explicit version

Author: jtakalai

custom-mysql-settings.cnf

@@ -1,4 +1,4 @@
 [mysqld]
 max_allowed_packet=32M
-sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
+sql_mode=ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
 lower_case_table_names=1

docker-compose.yml

@@ -43,8 +43,7 @@ services:
             - cassandra
     mysql:
         container_name: streamr-dev-mysql
-        platform: linux/x86_64
-        image: mysql:5.7
+        image: mysql:9.1.0
         init: true
         networks:
             - streamr-network