docker-compose fails on step 25

Nobody has claimed this yet.

See error message below.
`uname -a` yields `Linux xsshunter 5.10.0-11-amd64 #1 SMP Debian 5.10.92-1 (2022-01-18) x86_64 GNU/Linux`

```
xsshunterexpress_1 | renewAt: 1
xsshunterexpress_1 | defaults:
xsshunterexpress_1 | store:{"module":"greenlock-store-fs"}
xsshunterexpress_1 | challenges:{"http-01":{"module":"acme-http-01-standalone"}}
xsshunterexpress_1 | Starting server...
xsshunterexpress_1 | (node:29) [SEQUELIZE0002] DeprecationWarning: The logging-option should be either a function or false. Default: console.log
xsshunterexpress_1 | (node:29) UnhandledPromiseRejectionWarning: SequelizeConnectionError: could not open file "global/pg_filenode.map": Permission denied
xsshunterexpress_1 | at Client._connectionCallback (/app/node_modules/sequelize/lib/dialects/postgres/connection-manager.js:184:24)
xsshunterexpress_1 | at Client._handleErrorWhileConnecting (/app/node_modules/pg/lib/client.js:305:19)
xsshunterexpress_1 | at Client._handleErrorMessage (/app/node_modules/pg/lib/client.js:325:19)
xsshunterexpress_1 | at Connection.emit (events.js:314:20)
xsshunterexpress_1 | at /app/node_modules/pg/lib/connection.js:115:12
xsshunterexpress_1 | at Parser.parse (/app/node_modules/pg-protocol/dist/parser.js:40:17)
xsshunterexpress_1 | at Socket. (/app/node_modules/pg-protocol/dist/index.js:10:42)
xsshunterexpress_1 | at Socket.emit (events.js:314:20)
xsshunterexpress_1 | at addChunk (_stream_readable.js:297:12)
xsshunterexpress_1 | at readableAddChunk (_stream_readable.js:272:9)
xsshunterexpress_1 | (node:29) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
xsshunterexpress_1 | (node:29) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
xsshunter-express_xsshunterexpress_1 exited with code 0
```

Start by reproducing step 25 with docker-compose on the reported Debian environment and inspect the PostgreSQL setup behind the Sequelize connection failure. Done means the compose startup completes and the XSS Hunter Express service remains running without the pg_filenode.map permission error.

Written by the indexing model from the issue text.