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tools:docker [2022/07/13 17:05] – darron | tools:docker [2022/07/17 16:11] (current) – [Resources] darron | ||
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application within its jailed system rather than being a lightweight | application within its jailed system rather than being a lightweight | ||
VM. It's like having a chroot management system enhanced with networking. One side | VM. It's like having a chroot management system enhanced with networking. One side | ||
- | effect of not having an init process is zombie processes can accumulate in the container. | + | effect of not having an init process is zombie processes can accumulate in the container. Docker is also dependant on the overlay2 file system which is relatively slow. |
Docker has a lot of pre-built applications, | Docker has a lot of pre-built applications, | ||
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</ | </ | ||
- | ===WordPress=== | + | ===WordPress |
+ | |||
+ | This is the process I used to develop a WordPress docker container. Following this is | ||
+ | the method using a Dockerfile which automates the process once it is known. Some differences | ||
+ | are also found in the application of the container during development. | ||
==Proxy== | ==Proxy== | ||
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< | < | ||
docker exec -it alpine_linux sh | docker exec -it alpine_linux sh | ||
- | cd / | + | cd / |
- | wget " | + | wget " |
unzip latest.zip | unzip latest.zip | ||
- | chown -R apache: | + | rm latest.zip |
+ | chown -R apache: | ||
exit | exit | ||
</ | </ | ||
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</ | </ | ||
- | ===Docker file=== | + | ===WordPress Dockerfile=== |
A docker file can be used to automate the building of an image after one | A docker file can be used to automate the building of an image after one | ||
has been developed. | has been developed. | ||
- | Example | + | Here is a simple Makefile just used to contain various rules. |
- | + | ||
- | Create | + | |
< | < | ||
- | FROM alpine:latest | + | clean: |
- | RUN apk update | + | rm -f *~ |
- | ENTRYPOINT ["/ | + | |
- | </ | + | |
- | Build | + | build: |
+ | docker build --no-cache -t alpine_wp . | ||
- | < | + | run: |
- | docker | + | docker |
+ | |||
+ | test: | ||
+ | curl -v http:// | ||
+ | |||
+ | stop: | ||
+ | docker stop wp-dev | ||
+ | |||
+ | rm: | ||
+ | docker rm -f wp-dev | ||
+ | docker image rm -f alpine_wp | ||
</ | </ | ||
- | List | + | The Makefile uses a Dockerfile to make the build, as follows: |
< | < | ||
- | docker image list alpine_test | + | # LATEST WORDPRESS ON ALPINE LINUX |
- | REPOSITORY | + | FROM alpine: |
- | alpine_test | + | # INSTALL APACHE2/ |
+ | RUN apk --no-cache update && apk --no-cache upgrade && apk --no-cache add php8 php8-apache2 php8-mysqli php8-mysqlnd php8-opcache php8-cli php8-ctype php8-iconv php8-session php8-simplexml php8-tokenizer php8-openssl php8-phar php8-curl php8-dom php8-exif php8-fileinfo php8-pecl-imagick php8-mbstring php8-zip php8-gd php-intl && ln -sf / | ||
+ | # INSTALL WORDPRESS | ||
+ | WORKDIR / | ||
+ | RUN wget -q " | ||
+ | # START HTTPD | ||
+ | EXPOSE 80 | ||
+ | ENTRYPOINT / | ||
</ | </ | ||
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[[https:// | [[https:// | ||
+ | |||
+ | [[https:// | ||