{
  "host": "${DB_HOST}",
  "port": "${DB_PORT}",
  "name": "${DB_NAME}",
  "user": "${DB_USER}",
  "password": "${DB_PASSWORD}",
  "aeskey": "${AES_KEY}",
  "storage": "${STORAGE}",
  "charset": "utf8mb4",
  "pool": {
    "pre_ping": true,
    "size": 5,
    "max_overflow": 10
  },
  "debug": false
}