Check if mysql has been initialized before trying to upgrade

data/Dockerfiles/bootstrap/modules/BootstrapMysql.py

@@ -10,6 +10,8 @@ class BootstrapMysql(BootstrapBase):
     dbpass = os.getenv("MYSQL_ROOT_PASSWORD", "")
     socket = "/tmp/mysql-temp.sock"
 
+    # Check if mysql has been initialized
+    if os.path.exists("/var/lib/mysql/mysql/db.frm"):
       print("Starting temporary mysqld for upgrade...")
       self.start_temporary(socket)
 

data/Dockerfiles/mariadb/Dockerfile

@@ -7,7 +7,6 @@ RUN apt-get update && \
   apt-get install -y --no-install-recommends \
     python3 \
     python3-pip \
-    gosu \
   && apt-get clean \
   && rm -rf /var/lib/apt/lists/*
 

data/Dockerfiles/mariadb/docker-entrypoint.sh

@@ -17,4 +17,4 @@ if [ $BOOTSTRAP_EXIT_CODE -ne 0 ]; then
 fi
 
 echo "Bootstrap succeeded. Starting MariaDB..."
-exec gosu mysql "$@"
+exec /usr/local/bin/docker-entrypoint.sh "$@"