Attempting equivalent of mysql_secure_installation

Dockerfile

@@ -17,8 +17,13 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-ins
 COPY /etc/ /etc/
 
 # Setting up MySQL --Will come back to later, as it's not necessary and not playing very well with automation
-RUN echo -e "\ny\nPassword1234\nPassword1234\ny\ny\ny\ny" | mysql_secure_installation
-
+RUN mysql -u root <<-EOF
+    UPDATE mysql.user SET authentication_string=PASSWORD('Password1234') WHERE User='root';
+    DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('localhost', '127.0.0.1', '::1');
+    DELETE FROM mysql.user WHERE User='';
+    DELETE FROM mysql.db WHERE Db='test' OR Db='test_%';
+    FLUSH PRIVILEGES;
+    EOF
 # Copying in startup script
 COPY /entrypoint.sh /