How else did OP expect traffic to get to his containers? Magic? edit to add: after reading the article completely, a few things stand out. 1. It is clear the

How else did OP expect traffic to get to his containers? Magic? edit to add: after reading the article completely, a few things stand out. 1. It is clear the author does not understand the details of the compose file and is new to Docker. 2. Proposed solution is also incomplete 3. Not understanding why you would want to wrap caddy (even though it's a static binary) in the same system is missing the point. 4. Blaming Docker for clear user error is crazy.