#containers

Alpine "not found" for a binary that's right there: glibc vs musl

A binary exists on Alpine, yet running it says "not found" or "no such file or directory": it was built for glibc. Check with ldd, then rebuild it or use gcompat.

Intermediate · 4 min read

reverse proxy

Networking

Nginx reverse proxy with Docker Compose: in a container or on the host

Put Nginx in front of Docker Compose services: on the host or in a container, connect by service name, fix "host not found in upstream", keep ports private, add HTTPS.

Intermediate · 3 min read