CodeIgniter on Alpine Linux Dockerfile

Config

https://docs.docker.com/engine/security/rootless/ https://stackoverflow.com/questions/413807/is-there-a-way-for-non-root-processes-to-bind-to-privileged-ports-on-linux

sysctl net.ipv4.ip_unprivileged_port_start=80

Build

Default values

ARG db_name=codeigniter4
ARG db_user=username
ARG db_pass=password
ARG db_sessions=ci_sessions
ARG tz_country=America
ARG tz_city=New_York
ARG ci_subdir=sub
ARG ci_baseurl=http://localhost

docker build --build-arg ci_subdir=sub -t codeigniter .

Run

docker run -dp 80:80 -i codeigniter

Docker Launch

systemctl --user start docker-desktop

Prune

docker system prune -a
docker container prune
docker volume prune
docker builder prune
docker image prune