diff --git a/CloudronManifest.json b/CloudronManifest.json
index 9186dfd..767897c 100644
--- a/CloudronManifest.json
+++ b/CloudronManifest.json
@@ -15,7 +15,7 @@
     "ldap": {},
     "sendmail": { "supportsDisplayName": false },
     "localstorage": {},
-    "postgresql": {}
+    "mysql": {}
   },
   "optionalSso": true,
   "manifestVersion": 2,
diff --git a/start.sh b/start.sh
index 37d44ea..f5695b9 100755
--- a/start.sh
+++ b/start.sh
@@ -4,22 +4,26 @@ set -eu -o pipefail
 
 mkdir -p /run/traccar/logs /app/data/media
 
+echo -e "[client]\npassword=${CLOUDRON_MYSQL_PASSWORD}" > /run/traccar/mysql-extra
+readonly mysql="mysql --defaults-file=/run/traccar/mysql-extra --user=${CLOUDRON_MYSQL_USERNAME} --host=${CLOUDRON_MYSQL_HOST} -P ${CLOUDRON_MYSQL_PORT} ${CLOUDRON_MYSQL_DATABASE}"
+
 disable_registration() {
+    sleep 10
     echo "==> disabling registration"
-    PGPASSWORD=${CLOUDRON_POSTGRESQL_PASSWORD} psql -h ${CLOUDRON_POSTGRESQL_HOST} -p ${CLOUDRON_POSTGRESQL_PORT} -U ${CLOUDRON_POSTGRESQL_USERNAME} -d ${CLOUDRON_POSTGRESQL_DATABASE} -c "UPDATE tc_servers SET registration=false WHERE id=1"
+    $mysql -e "UPDATE tc_servers SET registration=0 WHERE id=1"
 }
 
 echo "=> Ensure traccar.xml config"
 if [[ ! -f /app/data/traccar.xml ]]; then
     cp /app/pkg/traccar.xml.template /app/data/traccar.xml
-    (sleep 10000; disable_registration) &
+    disable_registration &
 fi
 
-# database
+# database (https://www.traccar.org/mysql/)
 xmlstarlet ed --inplace \
-    --update '//properties/entry[@key="database.url"]' -v "jdbc:postgresql://${CLOUDRON_POSTGRESQL_HOST}:${CLOUDRON_POSTGRESQL_PORT}/${CLOUDRON_POSTGRESQL_DATABASE}" \
-    --update '//properties/entry[@key="database.user"]' -v "${CLOUDRON_POSTGRESQL_USERNAME}" \
-    --update '//properties/entry[@key="database.password"]' -v "${CLOUDRON_POSTGRESQL_PASSWORD}" \
+    --update '//properties/entry[@key="database.url"]' -v "jdbc:mysql://${CLOUDRON_MYSQL_HOST}:${CLOUDRON_MYSQL_PORT}/${CLOUDRON_MYSQL_DATABASE}?serverTimezone=UTC&allowPublicKeyRetrieval=true&useSSL=false&allowMultiQueries=true&autoReconnect=true&useUnicode=yes&characterEncoding=UTF-8&sessionVariables=sql_mode=''" \
+    --update '//properties/entry[@key="database.user"]' -v "${CLOUDRON_MYSQL_USERNAME}" \
+    --update '//properties/entry[@key="database.password"]' -v "${CLOUDRON_MYSQL_PASSWORD}" \
     /app/data/traccar.xml
 
 # origin
diff --git a/traccar.xml.template b/traccar.xml.template
index 036ad08..38d32ac 100644
--- a/traccar.xml.template
+++ b/traccar.xml.template
@@ -18,10 +18,10 @@
 
     -->
 
-    <entry key='database.driver'>org.postgresql.Driver</entry>
-    <entry key='database.url'>jdbc:postgresql://##CLOUDRON_POSTGRESQL_HOST##:##CLOUDRON_POSTGRESQL_PORT##/##CLOUDRON_POSTGRESQL_DATABASE##</entry>
-    <entry key='database.user'>##CLOUDRON_POSTGRESQL_USERNAME##</entry>
-    <entry key='database.password'>##CLOUDRON_POSTGRESQL_PASSWORD##</entry>
+    <entry key='database.driver'>com.mysql.cj.jdbc.Driver</entry>
+    <entry key='database.url'>jdbc:mysql://##CLOUDRON_MYSQL_HOST##:##CLOUDRON_MYSQL_PORT##/##CLOUDRON_MYSQL_DATABASE##</entry>
+    <entry key='database.user'>##CLOUDRON_MYSQL_USERNAME##</entry>
+    <entry key='database.password'>##CLOUDRON_MYSQL_PASSWORD##</entry>
 
     <entry key='web.url'>##CLOUDRON_APP_ORIGIN##</entry>