I don&#x27;t understand &#x27;one process per container,&#x27; and as near as I can tell it is not enforced. It&#x27;s just a guideline.<p>I always thought &#x27;one task per container&#x27; or &#x27;one service per container&#x27; made sense, but Postgres for example has many processes and can easily be containerized.<p>I am a bit of a Docker skeptic though. I wrote this on the subject:<p><a href="http:&#x2F;&#x2F;adamierymenko.com&#x2F;docker-not-even-a-linker&#x2F;" rel="nofollow">http:&#x2F;&#x2F;adamierymenko.com&#x2F;docker-not-even-a-linker&#x2F;</a><p>This is also <i>indirectly</i> about Docker and the reasons for it:<p><a href="http:&#x2F;&#x2F;adamierymenko.com&#x2F;privileged-ports-are-causing-climate-change&#x2F;" rel="nofollow">http:&#x2F;&#x2F;adamierymenko.com&#x2F;privileged-ports-are-causing-climat...</a>