Flarum Can`t Connect to the Database

[AkarinLiu]

Attaching to database-1, runtime-1
database-1  | 2024-03-24 01:14:26+00:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.11.7+maria~ubu2204 started.
runtime-1   | [INFO] Setting folder permissions
runtime-1   | [INFO] First launch, installation...
runtime-1   | Installing Flarum...
runtime-1   | Connecting to database...failed
runtime-1   | Rolling back...
runtime-1   |
runtime-1   | In Pipeline.php line 85:
runtime-1   |
runtime-1   |   Step failed
runtime-1   |
runtime-1   |
runtime-1   | In Exception.php line 18:
runtime-1   |
runtime-1   |   SQLSTATE[HY000] [2002] Connection refused
runtime-1   |
runtime-1   |
runtime-1   | In PDOConnection.php line 40:
runtime-1   |
runtime-1   |   SQLSTATE[HY000] [2002] Connection refused
runtime-1   |
runtime-1   |
runtime-1   | install [-f|--file FILE] [-c|--config CONFIG]
runtime-1   |
runtime-1   | [INFO] End of flarum installation
runtime-1   | [INFO] End of startup script. Forum is starting.
database-1  | 2024-03-24 01:14:28+00:00 [Warn] [Entrypoint]: /sys/fs/cgroup/name=systemd:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 14:misc:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 13:rdma:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 12:pids:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 11:hugetlb:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 10:net_prio:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 9:perf_event:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 8:net_cls:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 7:freezer:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 6:devices:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 5:memory:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 4:blkio:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 3:cpuacct:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 2:cpu:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 1:cpuset:/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69
database-1  | 0::/libpod_parent/libpod-1b69a690d24e8e9268728876897f426770bfe4d1f24e3a28f4dd6b2666683b69/memory.pressure not writable, functionality unavailable to MariaDB
database-1  | 2024-03-24 01:14:28+00:00 [Note] [Entrypoint]: Switching to dedicated user 'mysql'
database-1  | 2024-03-24 01:14:28+00:00 [Note] [Entrypoint]: Entrypoint script for MariaDB Server 1:10.11.7+maria~ubu2204 started.
database-1  | 2024-03-24 01:14:29+00:00 [Note] [Entrypoint]: MariaDB upgrade not required
database-1  | 2024-03-24  1:14:29 0 [Warning] Setting lower_case_table_names=2 because file system for /var/lib/mysql/ is case insensitive
database-1  | 2024-03-24  1:14:29 0 [Note] Starting MariaDB 10.11.7-MariaDB-1:10.11.7+maria~ubu2204 source revision 87e13722a95af5d9378d990caf48cb6874439347 as process 1
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Number of transaction pools: 1
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Using SSE4.2 crc32 instructions
database-1  | 2024-03-24  1:14:29 0 [Note] mariadbd: O_TMPFILE is not supported on /tmp (disabling future attempts)
database-1  | 2024-03-24  1:14:29 0 [Warning] mariadbd: io_uring_queue_init() failed with ENOSYS: check seccomp filters, and the kernel version (newer than 5.1 required)
database-1  | 2024-03-24  1:14:29 0 [Warning] InnoDB: liburing disabled: falling back to innodb_use_native_aio=OFF
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Initializing buffer pool, total size = 128.000MiB, chunk size = 2.000MiB
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Completed initialization of buffer pool
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Buffered log writes (block size=512 bytes)
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: End of log at LSN=714513
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: 128 rollback segments are active.
database-1  | 2024-03-24  1:14:29 0 [Note] InnoDB: Setting file './ibtmp1' size to 12.000MiB. Physically writing the file full; Please wait ...
database-1  | 2024-03-24  1:14:30 0 [Note] InnoDB: File './ibtmp1' size is now 12.000MiB.
database-1  | 2024-03-24  1:14:30 0 [Note] InnoDB: log sequence number 714513; transaction id 752
database-1  | 2024-03-24  1:14:30 0 [Note] Plugin 'FEEDBACK' is disabled.
database-1  | 2024-03-24  1:14:30 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
database-1  | 2024-03-24  1:14:30 0 [Warning] You need to use --log-bin to make --expire-logs-days or --binlog-expire-logs-seconds work.
database-1  | 2024-03-24  1:14:30 0 [Note] Server socket created on IP: '0.0.0.0'.
database-1  | 2024-03-24  1:14:30 0 [Note] Server socket created on IP: '::'.
database-1  | 2024-03-24  1:14:30 0 [Note] mariadbd: ready for connections.
database-1  | Version: '10.11.7-MariaDB-1:10.11.7+maria~ubu2204'  socket: '/run/mysqld/mysqld.sock'  port: 3306  mariadb.org binary distribution
database-1  | 2024-03-24  1:14:30 0 [Note] InnoDB: Buffer pool(s) load completed at 240324  1:14:30

I Advise make delay lest 10 sec to let MySQL Start finish. Because Startup MySQL need some time.