virtuman/wordpress Docker Image
一个高度可配置的Nginx+PHP+Exim Web服务器栈，集成ngx_pagespeed、NewRelic监控、xdebug调试工具和邮件服务，支持生产/开发环境切换，适用于Web应用部署。
Nginx + PHP + Exim
Highly configurable nginx-PHP webserver stack built on https://hub.docker.com/r/funkygibbon/nginx-pagespeed/, which is in turn built on a https://hub.docker.com/r/funkygibbon/ubuntu/
Docker Hub: https://hub.docker.com/r/funkygibbon/nginx-php-exim/
docker run -p "80:80" -p "443:443" -e "APP_HOSTNAME=some.example.com" -v /some/dir/www:/app/www funkygibbon/nginx-php-exim
Included in this image:
- https://github.com/pagespeed/ngx_pagespeed
- https://newrelic.com
- exim4, ready for smarthost delivery to sendgrid or mailgun
- fully functional cron daemon
- https://xdebug.org/ with configurable remote host/port/key
- Production / development environments. All outgoing email is redirected to a configurable destination (
$ADMIN_EMAIL)in development - Sane security defaults, and SSL confugration based on Mozilla's intermediate profile. See: https://hub.docker.com/r/funkygibbon/nginx-pagespeed/ for details
This container is configurable via a plethora of environment variables, which are applied on service start so you can generally reconfigure any aspect of the stack by executing docker exec foo_bar_1 sv restart php|nginx
| var | default | description |
|---|---|---|
| APP_ENV | production | production, development :: 'development' enables http://www.xdebug.org/ |
| ADMIN_EMAIL | *** | Server administrator email, used for intercepted email in development mode |
| CHOWN_APP_DIR | true | if true, chown -R $APP_USER:$APP_GROUP /app/www |
| APP_HOSTNAME | hostname -f | hostname of application |
| VIRTUAL_HOST | example.com | virtualhosts which this service should respond to, separated by commmas. Useful for operating behind https://hub.docker.com/r/jwilder/nginx-proxy/. |
| CONTAINER_TIMEZONE | Australia/Sydney | Server timezone |
| APP_USER | app | nginx and php5-fpm user |
| APP_GROUP | app | nginx and php5-fpm group |
| APP_UID | 1000 | user_id - useful when mounting volumes from host > guest to either share or delineate file access permission |
| APP_GID | 1000 | group_id |
| UPLOAD_MAX_SIZE | 30M | Maximum upload size, applied to nginx and php5-fpm |
| NGINX_MAX_WORKER_PROCESSES | 8 | nginx worker_processes is determined from number of processor cores on service start, up to the maximum permitted by NGINX_MAX_WORKER_PROCESSES |
| PHP_MEMORY_LIMIT | 128M | Maximum memory PHP can use per worker |
| PHP_PROCESS_MANAGER | dynamic | dynamic, static, ondemand :: PHP process manager scheme |
| PHP_MAX_CHILDREN | 6 | process manager maximum spawned children |
| PHP_START_SERVERS | 3 | if PHP_PROCESS_MANAGER is dynamic, this is the number of children spawned on boot |
| PHP_MIN_SPARE_SERVERS | 2 | if PHP_PROCESS_MANAGER is dynamic, this is the minimum number of idle children |
| PHP_MAX_SPARE_SERVERS | 3 | if PHP_PROCESS_MANAGER is dynamic, this is the maximum number of idle children |
| PHP_MAX_REQUESTS | 500 | Maximum number of requests each child process can process before terminating, which should mitigate any memory leaks. Set to 0 to disable. |
| PHP_DISABLE_FUNCTIONS | false | Comma separated list of additional functions to disable for security. These are appended to the default Ubuntu distribution disable_functions line |
| PHP_XDEBUG_REMOTE_HOST | 172.17.42.1 | If $APP_ENV is development, XDebug is enabled and configured to communicate to this remote host |
| PHP_XDEBUG_REMOTE_PORT | 9000 | XDebug port |
| PHP_XDEBUG_IDE_KEY | default_ide_key | XDebug IDE Key |
| EXIM_DELIVERY_MODE | local | smarthost, local :: set to smarthost to enable third party SMTP |
| EXIM_MAIL_FROM | example.com | domain from which exim4 mail appears to originate |
| EXIM_SMARTHOST | smtp.example.org::587 | smarthost relay SMTP server address and port (note the double colon (::) before port number) |
| EXIM_SMARTHOST_AUTH_USERNAME | *** | SMTP username |
| EXIM_SMARTHOST_AUTH_PASSWORD | password_123 | SMTP password |
| NEWRELIC_ENABLED | true | Enables or disables https://newrelic.com/ reporting |
| NEWRELIC_APPNAME | $PHP_POOL_NAME | Application name in Newrelic APM list. Defaults to PHP pool name (APP_HOSTNAME with underscores instead of periods) |
| NEWRELIC_LICENSE | __DISABLED__ | Newrelic account license key. Available from your Newrelic account page |
See also configuration options from upstream images:
- https://hub.docker.com/r/funkygibbon/nginx-pagespeed/
- https://hub.docker.com/r/funkygibbon/ubuntu/
Philosophy
I understand a degree of pushback against the idea of bundling so much into one container, at first glance it seems 'against the Docker microservice philosophy'.
However, in my experience, so much is gained by bundling these items together - nginx and php have similar configuration options which require tweaking synchronously - think nginx UPLOAD_MAX_SIZE, php UPLOAD_MAX_FILESIZE and POST_MAX_SIZE, file and socket permissions, performance improvement in communication over socket vs tcp.
I am prepared to be convinced that this is totally utterly wrong-headed, and may *** breaking this PHP installation out to separate nginx/PHP containers if there's a need, but for now, it just works for me.
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