RubMart

Remove docker images, containers and volumes. Easy way

This is a simple guide in cheat sheet format with self- contained command-line snippets for manage docker images/containers/volumes.

Docker images

List all dangling images

docker images -f dangling=true

Docker Cool Tools (Work in progress...)

Cool tools and tutorials for Docker. Selected for me from multiple webpages. This is my own collection of Docker resources See references for more info.

What is Docker?

See this link

Docker cool commands

Tail logs

In the first steps of an app you can not configure graylog or complex log processing tools. Search in docker logs is easy:

docker logs -t --tail 1000 my_container

docker logs -t --tail 1000 my_container 2>&1 | grep -i error

Run bash or any command in a Docker container

Docker

Assuming you know the name of your container, can use

docker exec -it container_name /bin/bash

Know containers in execution and copy container id or container name to execute command

	#
	# CORS header support
	#
	# One way to use this is by placing it into a file called "cors_support"
	# under your Nginx configuration directory and placing the following
	# statement inside your location block(s):
	#
	# include cors_support;
	#
	# As of Nginx 1.7.5, add_header supports an "always" parameter which

	upstream upstream-socket {
	server 127.0.0.1:3000;
	}

	server {
	listen 80;
	server_name mydomain.com www.mydomain.com;

	access_log /var/log/nginx/access-ssl.log;
	error_log /var/log/nginx/error-ssl.log;