docker-cheat-sheet

#!/usr/bin/env bash

# See ...
# https://www.tutorialspoint.com/docker
# https://docs.docker.com/engine/reference/commandline/docker/

# ====
# Hubs
# ====

# hub = host registry of images (where the images are downloaded from)


# ========
# Networks
# ========

# create network
docker network create --driver=bridge --gateway=192.168.0.1 --subnet=192.168.0.0/16 main

# connect a container to an existing network
docker run --name container_name --network=main 

# ======
# Images
# ======

# list images
docker images 

# list image ids only
docker images -q

# download image
docker pull image_name

# remove image
docker rmi image_id

# create instance of container from an image
docker run image_name

# create instance of container from an image in interactive mode
docker run container_name -it /bin/bash


# ==========
# Containers
# ==========

# list containers running
docker ps

# list all containers
docker ps -a

# create container
docker create --name container_name image_name

# rename
docker rename container_name new_container_name

# start container
docker start container_id

# stop container
docker stop container_id

# delete container
docker rm container_id

# kill container's running processes
docker kill container_id

# inspect container
docker inspect container_id

# copy and start new container and change port
docker commit container_name new_image_name
docker run -p 1433:1433 --name new_container_name -td new_image_name

# upgrade running container
docker-compose up --force-recreate --build -d
docker image prune -f


# =======
# Volumes
# =======

# create
docker volume create volume_name

# list
docker volume ls


# ===========
# Interactive
# ===========

docker exec -it container_name bash
docker exec -u 0 -it container_name bash # login as root

# copy a file from host to container
docker cp foo.txt container_name:/foo.txt

# copy a file from Docker container to host
docker cp container_name:/foo.txt foo.txt

# login to mssql
docker exec -it mssql1 /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P password

# export container contents
docker export container_name > tar_file.tar # tar -xf tar_file.tar



# ====
# Logs
# ====

# view container logs
docker logs container_id


# ====
# Misc
# ====

# create mssql
# -v is volume_name:container_location (optional)
# -d is detached mode (required so it runs as a docker background process)
# -p is host_port:container_port
docker run \
   -e 'ACCEPT_EULA=Y' \
   -e 'MSSQL_PID=Express' \
   -e 'MSSQL_SA_PASSWORD=<YourStrong!Passw0rd>' \
   -p 1433:1433 \
   -v mssql1data:/var/opt/mssql \
   -d \
   --name 'mssql1' 
   mcr.microsoft.com/mssql/server:latest

/opt/mssql/bin/mssql-conf set filelocation.defaultbackupdir /var/opt/mssql/backup