Use `--init` and `init: true` on main container

[make-github-pseudonymous-again]

Fixes #891.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 64.47%. Comparing base (77e7767) to head (fab06e5).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #893 +/- ## ======================================= Coverage 64.47% 64.47% ======================================= Files 703 703 Lines 9705 9705 Branches 1335 1335 ======================================= Hits 6257 6257 - Misses 3003 3004 +1 + Partials 445 444 -1 ``` | [Flag](https://app.codecov.io/gh/infoderm/patients/pull/893/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=infoderm) | Coverage Δ | | |---|---|---| | [test](https://app.codecov.io/gh/infoderm/patients/pull/893/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=infoderm) | `69.78% <ø> (+0.01%)` | :arrow_up: | | [test-app](https://app.codecov.io/gh/infoderm/patients/pull/893/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=infoderm) | `53.75% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=infoderm#carryforward-flags-in-the-pull-request-comment) to find out more.

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