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Fix Docker Compose Environment Variable Substitution Failed - Fix Python Permission Denied When Running pip install -r requirements.txt-Fixing Nginx 502 Bad Gateway in Docker Networks

2026-07-28 13:39:16

Fix Docker Compose Environment Variable Substitution Failed - Fix Python Permission Denied When Running pip install -r requirements.txt-Fixing Nginx 502 Bad Gateway in Docker Networks

Result check

Keep one change per test run so you know which step helped.
Undo temporary changes after the issue is confirmed.