Top Answers

1. Kubernetes network policy deny-all policy not blocking basic communication
   10 votes
2. Prometheus increase not handling process restarts
   7 votes
3. Prometheus UI always returns 1 even blackbox_exporter returns 0 manually
   4 votes
4. GitLab CI with Postgres ERROR: connect ECONNREFUSED 127.0.0.1:5432
   4 votes
5. Docker container with nodejs app(NestJS) is not accessible from both other containers or host
   3 votes