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crazylion lee

direnv - unclutter your .profile - 0 views

direnv.net

shell rvm

shared by crazylion lee on 17 Jan 14 - No Cached
  • crazylion lee on 17 Jan 14
     
    讓shell 的設定檔案 可以跟 rvm一樣切換
張 旭

phusion/passenger-docker: Docker base images for Ruby, Python, Node.js and Meteor web apps - 0 views

github.com/...passenger-docker

docker ruby rails

shared by 張 旭 on 14 Jan 22 - No Cached
  • Ubuntu 20.04 LTS as base system
  • 2.7.5 is configured as the default.
  • Python 3.8
  • ...23 more annotations...
  • A build system, git, and development headers for many popular libraries, so that the most popular Ruby, Python and Node.js native extensions can be compiled without problems.
  • Nginx 1.18. Disabled by default
  • production-grade features, such as process monitoring, administration and status inspection.
  • Redis 5.0. Not installed by default.
  • The image has an app user with UID 9999 and home directory /home/app. Your application is supposed to run as this user.
  • running applications without root privileges is good security practice.
  • Your application should be placed inside /home/app.
  • COPY --chown=app:app
  • Passenger works like a mod_ruby, mod_nodejs, etc. It changes Nginx into an application server and runs your app from Nginx.
  • placing a .conf file in the directory /etc/nginx/sites-enabled
  • The best way to configure Nginx is by adding .conf files to /etc/nginx/main.d and /etc/nginx/conf.d
  • files in conf.d are included in the Nginx configuration's http context.
  • any environment variables you set with docker run -e, Docker linking and /etc/container_environment, won't reach Nginx.
  • To preserve these variables, place an Nginx config file ending with *.conf in the directory /etc/nginx/main.d, in which you tell Nginx to preserve these variables.
  • By default, Phusion Passenger sets all of the following environment variables to the value production
  • Setting these environment variables yourself (e.g. using docker run -e RAILS_ENV=...) will not have any effect, because Phusion Passenger overrides all of these environment variables.
  • PASSENGER_APP_ENV environment variable
  • passenger-docker autogenerates an Nginx configuration file (/etc/nginx/conf.d/00_app_env.conf) during container boot.
  • The configuration file is in /etc/redis/redis.conf. Modify it as you see fit, but make sure daemonize no is set.
  • You can add additional daemons to the image by creating runit entries.
  • The shell script must be called run, must be executable
  • the shell script must run the daemon without letting it daemonize/fork it.
  • We use RVM to install and to manage Ruby interpreters.
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