made a makefile
+ added names of images and container in compose + have a functionnal nginx dockerfile
This commit is contained in:
hugo gogo
98
Makefile
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98
Makefile
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@@ -0,0 +1,98 @@
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GRAY = "\e[0;30m"
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RED = "\e[0;31m"
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GREEN = "\e[0;32m"
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YELLOW = "\e[0;33m"
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BLUE = "\e[0;34m"
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PURPLE = "\e[0;35m"
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CYAN = "\e[0;36m"
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WHITE = "\e[0;37m"
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B_GRAY = "\e[1;30m"
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B_RED = "\e[1;31m"
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B_GREEN = "\e[1;32m"
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B_YELLOW = "\e[1;33m"
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B_BLUE = "\e[1;34m"
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B_PURPLE = "\e[1;35m"
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B_CYAN = "\e[1;36m"
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B_WHITE = "\e[1;37m"
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RESET = "\e[0m"
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
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COMPOSE = ./srcs/docker-compose.yml
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IMAGES = test \
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# nginx
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HOME_D = $(shell echo $(HOME))
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VOLUMES_D = $(VOLUMES:%=$(HOME_D)/%)
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VOLUMES = v_wp_site \
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v_wp_db
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CONTAINERS = $(IMAGES:%=my%)
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
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all: build $(VOLUMES_D) up
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$(VOLUMES_D):
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mkdir -p $(VOLUMES_D)
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build:
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sudo docker-compose -f $(COMPOSE) build
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up: $(VOLUMES_D)
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sudo docker-compose -f $(COMPOSE) up
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# list images, containers, volumes
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list:
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@echo $(B_YELLOW)"\nimages:"$(RESET)
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@sudo docker images -a
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@echo $(B_YELLOW)"\ncontainers:"$(RESET)
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@sudo docker ps -a
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@echo $(B_YELLOW)"\nvolumes:"$(RESET)
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@sudo docker volume ls
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@echo ""
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# remove project images
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rm-images:
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sudo docker image rm -f $(IMAGES)
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# stop project containers
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stop:
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- sudo docker stop $(CONTAINERS)
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# remove project containers
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rm-containers: stop
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- sudo docker rm $(CONTAINERS)
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# remove project images and containers
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clean: rm-images stop rm-containers
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# remove project volumes
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rm-volumes:
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- sudo docker volume rm -f $(VOLUMES)
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/bin/rm -rf $(VOLUMES_D)
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# remove project
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fclean: clean rm-volumes
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# remove all dockers
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ffclean:
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sudo docker stop $(sudo docker ps -q)
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sudo docker system prune -af --volumes
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/bin/rm -rf $(VOLUMES_D)
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re: fclean all
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rre: ffclean all
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.PHONY : all build up $(VOLUMES_D) list rm-images stop rm-containers clean rm-volumes fclean ffclean re rre
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33
README.md
33
README.md
@@ -15,6 +15,20 @@ This README would normally document whatever steps are necessary to get your app
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- `sudo netstat -tulpn` to print network connections and see if nginx is running
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- or : `ps -ax | grep nginx`
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- `sudo nginx -s quit` to stop it
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- `sudo docker system prune -af --volumes` -> `-a` also unused images, `-f` without prompt for confirmation
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- remove stopped containers
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- remove unused networks
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- remove unused images
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- remove build cache
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- `sudo docker ps -q` all runnings containers
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- `sudo docker stop $(sudo docker ps -q)` stop all runnings containers
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**remove project images** rm-images sudo docker image rm -f <name> <name> ...
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**stop project containers** stop sudo docker stop <name> <name> ...
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**remove project containers** rm-containers sudo docker rm <name> <name> ...
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**remove project images and containers** clean rm-images stop rm-containers
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**remove project volumes** rm-volumes sudo docker volume rm -f <name> <name> ...
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**remove project** fclean clean rm-volumes
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**remove all dockers** ffclean sudo docker stop $(sudo docker ps -q); sudo docker system prune -af --volumes
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---
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## Dockerfile basics
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@@ -28,12 +42,25 @@ This README would normally document whatever steps are necessary to get your app
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- [download alpine linux](https://alpinelinux.org/downloads/)
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- [dockerhub alpine image](https://hub.docker.com/_/alpine)
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- [docker starter guide](https://docs.docker.com/get-started/)
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- [docker glossaire](https://docs.docker.com/glossary/)
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- [Dockerfile syntaxe](https://docs.docker.com/engine/reference/builder/)
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- [determine the parent image](https://forums.docker.com/t/determine-the-parent-image/48611)
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- [docker image from scratch](https://codeburst.io/docker-from-scratch-2a84552470c8)
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- [build context and image context](https://stackoverflow.com/questions/55108649/what-is-app-working-directory-for-a-dockerfile/55109065#55109065)
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- [nginx begginer guide](https://hub.docker.com/_/nginx/)
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#### docker pid 1
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- nginx by default will create some child process (a master and some workers), then it quits (doc ?)
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- when the first process of a docker container exit, the container exit (doc ?)
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- so we must tell nginx to not go background : "-g 'daemon off'"
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- [pid1 docker problem](https://blog.phusion.nl/2015/01/20/docker-and-the-pid-1-zombie-reaping-problem/)
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- [official nginx docker image](https://hub.docker.com/_/nginx/)
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- "If you add a custom CMD in the Dockerfile, be sure to include -g daemon off; in the CMD in order for nginx to stay in the foreground, so that Docker can track the process properly (otherwise your container will stop immediately after starting)!"
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- [SO discussion on "-g 'daemon off'"](https://stackoverflow.com/questions/18861300/how-to-run-nginx-within-a-docker-container-without-halting)
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- "When PID 1 exits, the container will exit" (where is says in the doc ?)
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- ["By design, containers started in detached mode exit when the root process used to run the container exits"](https://docs.docker.com/engine/reference/run/#detached--d)
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#### install and use docker and compose
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@@ -64,9 +91,11 @@ This README would normally document whatever steps are necessary to get your app
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**build and run a docker image**
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- be in directory with a Dockerfile
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- `sudo docker build --tag <name> .`
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- `sudo docker images` to list images
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- `sudo docker run <name>`
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- `sudo docker image rm -f <number-id>`
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- `sudo docker images` to list docker images
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- `sudo docker image rm <number>`
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- `sudo docker ps` to list docker processes
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- `sudo docker ps rm <name>`
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**execute a docker-compose file**
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- be in directory with a docker-compose.yml file
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- `sudo docker-compose up`
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@@ -12,3 +12,9 @@ services:
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build:
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context: ./requirements/test
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dockerfile: Dockerfile
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image: test
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container_name: mytest
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# test:
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# build:
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# context: ./requirements/test
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# dockerfile: Dockerfile
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@@ -7,5 +7,5 @@ COPY ./conf/inception_nginx.conf /etc/nginx/conf.d/
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COPY ./conf/index.html /data/www/
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COPY ./conf/salade.jpeg /data/images/
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CMD [ "nginx" ]
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CMD [ "nginx", "-g", "daemon off;" ]
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