set binlog config in mysql

keep max binlog file size to 100M. and rotate then in 10 days

setup/start.sh

@@ -178,7 +178,11 @@ systemctl start nginx
 # restart mysql to make sure it has latest config
 if [[ ! -f /etc/mysql/mysql.cnf ]] || ! diff -q "${script_dir}/start/mysql.cnf" /etc/mysql/mysql.cnf >/dev/null; then
     # wait for all running mysql jobs
-    cp "${script_dir}/start/mysql.cnf" /etc/mysql/mysql.cnf
+    if [[ "${ubuntu_version}" == "20.04" ]]; then
+        cp "${script_dir}/start/mysql/8.0.cnf" /etc/mysql/mysql.cnf
+    else
+        cp "${script_dir}/start/mysql/5.7.cnf" /etc/mysql/mysql.cnf
+    fi
     while true; do
         if ! systemctl list-jobs | grep mysql; then break; fi
         echo "Waiting for mysql jobs..."

setup/start/mysql/5.7.cnf

@@ -15,6 +15,10 @@ collation-server = utf8mb4_unicode_ci
 # set timezone to UTC
 default_time_zone='+00:00'
 
+# keep mysql binlogs under check
+expire_logs_days        = 10
+max_binlog_size   = 100M
+
 [mysqldump]
 quick
 quote-names

setup/start/mysql/8.0.cnf

@@ -0,0 +1,33 @@
+!includedir /etc/mysql/conf.d/
+!includedir /etc/mysql/mysql.conf.d/
+
+# http://bugs.mysql.com/bug.php?id=68514
+[mysqld]
+performance_schema=OFF
+max_connections=50
+# on ec2, without this we get a sporadic connection drop when doing the initial migration
+max_allowed_packet=64M
+
+# https://mathiasbynens.be/notes/mysql-utf8mb4
+character-set-server = utf8mb4
+collation-server = utf8mb4_unicode_ci
+
+# set timezone to UTC
+default_time_zone='+00:00'
+
+# keep mysql binlogs under check
+binlog_expire_logs_seconds = 864000
+max_binlog_size   = 100M
+
+[mysqldump]
+quick
+quote-names
+max_allowed_packet  = 16M
+default-character-set = utf8mb4
+
+[mysql]
+default-character-set = utf8mb4
+
+[client]
+default-character-set = utf8mb4
+

src/infra_version.js

@@ -16,7 +16,7 @@ exports = module.exports = {
     // docker inspect --format='{{index .RepoDigests 0}}' $IMAGE to get the sha256
     'images': {
         'turn': { repo: 'cloudron/turn', tag: 'cloudron/turn:1.3.0@sha256:386fb755fc41edd7086f7bcb230f7f28078936f9ae4ead6d97c741df1cc194ae' },
-        'mysql': { repo: 'cloudron/mysql', tag: 'cloudron/mysql:3.0.0@sha256:539736394014ccfbf159cf1d587ca53ee447cd0fed0166b279687aeed1ec99a5' },
+        'mysql': { repo: 'cloudron/mysql', tag: 'cloudron/mysql:3.0.1@sha256:1125c7dda5e9f82ff5f3ef0b634eed8820ce82d2c623da0491befbb0a6b3ccb2' },
         'postgresql': { repo: 'cloudron/postgresql', tag: 'cloudron/postgresql:4.0.0@sha256:650377a01f66017fce67e8ad3dba52508acb27e71a35139e35c94c45efa598d9' },
         'mongodb': { repo: 'cloudron/mongodb', tag: 'cloudron/mongodb:4.0.0@sha256:c2d3ac567c5af79a9d470a8ff53938a4b6dad826ecbdd192a716a4c5e558ff3e' },
         'redis': { repo: 'cloudron/redis', tag: 'cloudron/redis:3.0.0@sha256:88ef97f2e655982c16865c0a5ffac005f891b230f8864d779c32175f8b9b3b18' },