Docker commands

Makefile

# https://docs.docker.com/engine/reference/commandline/docker/

name = container_name
dbname = db_name
version = 0.1 

# build the container (with name:tag)
build:
    docker build -t $(name):$(version) .

# spin the container up (detach, remove on close, forward port, name)
up:
    docker run -ti -d --rm -p 5432:5432 --name $(name) $(name):$(version)

# shut the container down (by name)
down:
    docker stop $(name)

# open a bash shell in the container
shell:
    docker exec -ti $(name) /bin/bash

# connect to the postgres database
conn:
    docker exec -ti $(name) /bin/bash -c "su postgres -c \"psql -d $(dbname)\""

# tail (and follow) the container logs
tailf:
    docker logs --follow $(name)

# dump the database to a file and copy it back to the host machine
dump:
	docker exec -ti $(name) /bin/bash -c "su postgres -c \"pg_dumpall > /tmp/dump.sql\"; mv /tmp/dump.sql /; chmod 755 /dump.sql"; docker cp $$(docker ps -f name="$(name)" -q):/dump.sql .