Vagrant move over, here is Docker
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The document discusses the use of Vagrant and Docker for managing application environments, highlighting Vagrant's limitations compared to Docker. It describes Docker's capabilities in building, shipping, and running distributed applications efficiently, emphasizing its resource efficiency and ease of deployment. Several practical Docker commands and strategies for container management, including building images and linking containers, are also provided.
![● ** sseerrvveerr vviirrttuuaalliizzaattiioonn iiss ssllooww
● ** hhaarrdd ttoo ddiissttrriibbuuttee ((ccoommppaarreedd ttoo ddoocckkeerr))
● ** bbaassee bbooxx ++ vvaaggrraanntt pprroovviissiioonn ((ppuuppppeett,, aannssiibbllee,,
ssaallttssttaacckk))
● ** vvaaggrraanntt ppaacckkaaggee ----bbaassee [[hhaasshh]] ----oouuttppuutt
[[bbooxxnnaammee..bbooxx]]
● ** ffiixxeedd mmeemmoorryy ccoonnssuummppttiioonn](https://image.slidesharecdn.com/phpbenelux22oct2014-141022165936-conversion-gate01/85/Vagrant-move-over-here-is-Docker-6-320.jpg)
![> docker start postgres applicationFoo applicationFoo-grunt
> docker stop postgres applicationFoo applicationFoo-grunt
#!/bin/bash
if [ "$1" = "start" ]; then
docker start postgres applicationFoo applicationFoo-grunt
exit
fi
if [ "$1" = "db" ]; then
docker run --rm --link postgres:postgres nickbelhomme/postgres env
exit
fi
if [ "$1" = "grunt" ]; then
docker logs --follow applicationFoo-grunt
exit
fi
> ./project start
> ./project stop
> ./project grunt
> ./project ...](https://image.slidesharecdn.com/phpbenelux22oct2014-141022165936-conversion-gate01/85/Vagrant-move-over-here-is-Docker-26-320.jpg)
![> docker login
> docker push nickbelhomme/postgres
> docker pull nickbelhomme/postgres
> docker run [options] [container]
> develop](https://image.slidesharecdn.com/phpbenelux22oct2014-141022165936-conversion-gate01/85/Vagrant-move-over-here-is-Docker-28-320.jpg)
Vagrant move over, here is Docker
- 2. PHPBenelux Wednesday, October 22, 2014
- 4. ** VVaaggrraanntt iiss aa MMaannaaggeerr ffoorr VVMMss ** VVaaggrraanntt iiss AAWWEESSOOMMEE!! ** VVaaggrraanntt SSiimmpplliiffiieedd oouurr lliivveess ttrreemmeennddoouussllyy
- 6. ● ** sseerrvveerr vviirrttuuaalliizzaattiioonn iiss ssllooww ● ** hhaarrdd ttoo ddiissttrriibbuuttee ((ccoommppaarreedd ttoo ddoocckkeerr)) ● ** bbaassee bbooxx ++ vvaaggrraanntt pprroovviissiioonn ((ppuuppppeett,, aannssiibbllee,, ssaallttssttaacckk)) ● ** vvaaggrraanntt ppaacckkaaggee ----bbaassee [[hhaasshh]] ----oouuttppuutt [[bbooxxnnaammee..bbooxx]] ● ** ffiixxeedd mmeemmoorryy ccoonnssuummppttiioonn
- 7. ● ** ddiisskk ssppaaccee hhoogg ● ** sseerrvviiccee iinnssttaallll // rreemmoovvee ttrriiaallss aarree eexxppeennssiivvee ● ** ddeessttrrooyy ++ uupp iiss ccooffffeeee ttiimmee ● ** hhyyppeerrvviissoorr aabbssttrraaccttss aann eennttiirree ddeevviiccee ● ** eexxppeennssiivvee eemmuullaattiinngg vviirrttuuaall hhaarrddwwaarree
- 8. IItt aaiinn''tt aallll bbaadd!! ** EExxcceelllleenntt ffoorr mmaannuuaall tteessttiinngg ** EExxcceelllleenntt ffoorr SSeelleenniiuumm GGrriidd ** EExxcceelllleenntt ffoorr ttaakkiinngg aann OOSS tteesstt ddrriivvee ** EExxcceelllleenntt ffoorr rruunnnniinngg nnoonn lliinnuuxx aappppss ** AAnndd pprroobbaabbllyy aa lloott mmoorree!! BBuutt iitt aaiinn''tt ggoooodd ffoorr ......
- 9. RRuunnnniinngg oorr ddeevveellooppiinngg aa LLiinnuuxx aapppplliiccaattiioonn
- 11. "Docker iiss aann ooppeenn ppllaattffoorrmm ffoorr ddeevveellooppeerrss aanndd ssyyssaaddmmiinnss ttoo bbuuiilldd,, sshhiipp,, aanndd rruunn ddiissttrriibbuutteedd aapppplliiccaattiioonnss..""
- 12. * dedicated tool to help build ssttaabbllee aapppplliiccaattiioonn eennvviirroonnmmeennttss ** ddiissttrriibbuuttee tthhoossee eennvviirroonnmmeennttss eeaassiillyy ** llooww ccoosstt iinnssttaallll // rreemmoovvee sseerrvviicceess
- 13. > whoami_ * built on top of LLXXCC ((ccoonnttaaiinneerr tteecchhnnoollooggyy)).. ** uusseess ffiillee ssyysstteemm,, ssttoorraaggee,, CCPPUU,, RRAAMM,, aanndd ssoo oonn ** jjuusstt aabbssttrraacctt tthhee ooppeerraattiinngg ssyysstteemm kkeerrnneell
- 14. > ls effect_ ** mmoorree eeffffiicciieenntt iinn rreessoouurrccee tteerrmmss ** lleeaavvee bbeehhiinndd 9999..99%% VVMM jjuunnkk ** 44-66 ttiimmeess mmoorree sseerrvveerr aapppplliiccaattiioonn iinnssttaanncceess
- 15. Terminology * Image * Container * Repository * Registry
- 18. We don't need no stinking
- 19. We Need a Dockerfile nickbelhomme/apache nickbelhomme/foo FROM debian:wheezy MAINTAINER Nick Belhomme, contact@nickbelhomme.com RUN apt-get update RUN apt-get install -y apache2 wget vim curl # expose the ports EXPOSE 80 FROM nickbelhomme/apache RUN a2enmod rewrite RUN apt-get install -y php5-common libapache2-mod-php5 php5-cli php5- intl php5-curl php5-pgsql ADD dev/apache/application.conf /etc/apache2/sites-available/ application.conf RUN a2ensite application.conf
- 21. Actually we Need multiple Dockerfiles 1 FOR APACHE (+ PHP) 1 FOR a DB 1 PER Application 1 FOR NODE 1 FOR VARNISH 1 FOR MEMCACHED 1 FOR REDIS 1 FOR ... Or use the Registry for pre-build images
- 22. Forge together Using Containers docker run -d -P --name postgres nickbelhomme/postgres docker run -d --link postgres:postgres --name applicationFoo -v /home/nick/vhosts/foo/application:/var/www/vhosts/local.foo.com -p 49101:80 nickbelhomme/foo /usr/sbin/apachectl -D FOREGROUND
- 23. > docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e39 node:latest "grunt watch" 5 days ago Up 2 seconds applicationFoo-grunt a2d applicationFoo:latest "apachectl 2 weeks ago Up 2 seconds 49101->80/tcp applicationFoo bda postgres:latest "/usr/lib/postgresql 4 weeks ago Up 3 seconds 49155->5432/tcp fooBar/postgres,applicationFoo/postgres,gooBar/postgres,postgres http://local.foo.com:49101 /etc/hosts => Docker0-ip local.foo.com
- 24. > docker run --rm --link postgres:postgres nickbelhomme/postgres env PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin HOSTNAME=0bda3edb485e POSTGRES_PORT=tcp://10.66.33.13:5432 POSTGRES_PORT_5432_TCP=tcp://10.66.33.13:5432 POSTGRES_PORT_5432_TCP_ADDR=10.66.33.13 POSTGRES_PORT_5432_TCP_PORT=5432 POSTGRES_PORT_5432_TCP_PROTO=tcp POSTGRES_NAME=/loving_colden/postgres HOME=/var/lib/postgresql <?php host=' . getenv('POSTGRES_PORT_5432_TCP_ADDR') ?>
- 25. > docker logs –follow applicationFoo-grunt Done, without errors. Completed in 0.438s at Wed Oct 15 2014 19:06:28 GMT+0000 (UTC) - Waiting... OK >> File "rawJs/foo/form.js" changed. Running "concat:js" (concat) task File "./public/js/source.js" created. Done, without errors. Completed in 0.458s at Wed Oct 15 2014 19:11:34 GMT+0000 (UTC) - Waiting... Running "watch" task
- 26. > docker start postgres applicationFoo applicationFoo-grunt > docker stop postgres applicationFoo applicationFoo-grunt #!/bin/bash if [ "$1" = "start" ]; then docker start postgres applicationFoo applicationFoo-grunt exit fi if [ "$1" = "db" ]; then docker run --rm --link postgres:postgres nickbelhomme/postgres env exit fi if [ "$1" = "grunt" ]; then docker logs --follow applicationFoo-grunt exit fi > ./project start > ./project stop > ./project grunt > ./project ...
- 28. > docker login > docker push nickbelhomme/postgres > docker pull nickbelhomme/postgres > docker run [options] [container] > develop
- 29. Now some bad ass Super hero Tips
- 30. > docker build -t nickbelhomme/foo . > docker build –no-cache=true > docker run --name applicationFoo > docker run –rm ... > docker run -w /var/www/vhosts/local.foo.com > docker run -i -t nickbelhomme/foo /bin/bash > docker run -v hostDir:containerDir
- 31. > docker rm $(docker ps -a -q) > docker rmi $(docker images -a -q) > docker rmi $(docker images -q --filter "dangling=true")
- 32. Change the default Docker network address > cat /etc/default/docker # Docker Upstart and SysVinit configuration file # Customize location of Docker binary (especially for development testing). #DOCKER="/usr/local/bin/docker" # Use DOCKER_OPTS to modify the daemon startup options. #DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4" DOCKER_OPTS="—bip=10.66.33.10/24" # If you need Docker to use an HTTP proxy, it can also be specified here. #export http_proxy="http://127.0.0.1:3128/" # This is also a handy place to tweak where Docker's temporary files go. #export TMPDIR="/mnt/bigdrive/docker-tmp"
- 35. *Mounting volumes absolute FROM GUEST docker run -v /c/Users:containerPath * hosts file need to be set with 192.168.59.103
- 36. Lightweight Tiny Core Linux made for Docker containers. Runs completely from RAM, weighs ~27MB, boots in ~5s
- 37. Remember: Keep your docker Images single responsibility http://blog.nickbelhomme.com | https://joind.in/12295