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71 lines
2.8 KiB
Markdown
71 lines
2.8 KiB
Markdown
# Devilbox Documentation
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[Home](https://github.com/cytopia/devilbox) |
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[Overview](README.md) |
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[Configuration](Configuration.md) |
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[Usage](Usage.md) |
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[Updating](Updating.md) |
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Info |
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[PHP Projects](PHP_Projects.md) |
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[Emails](Emails.md) |
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[Logs](Logs.md) |
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[Intranet](Intranet.md) |
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[FAQ](FAQ.md)
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----
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## Info
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### Available containers
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It is best to use the hostnames and not to rely on the ip addresses as they might change. In most cases however you can even use `127.0.0.1` or `localhost` (See background section below).
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> E.g.: When you want to setup a MySQL database connection use `mysql` or `127.0.0.1` as the hostname.
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| Container | Container name | Hostname | IP Address |
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|-----------------|-----------------|-----------|----------------|
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| DNS | bind | bind | 172.16.238.100 |
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| PHP / HHVM | php | php | 172.16.238.10 |
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| Apache / Nginx | http | http | 172.16.238.11 |
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| MySQL / MariaDB | mysql | mysql | 172.16.238.12 |
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| PostgreSQL | pgsql | pgsql | 172.16.238.13 |
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| Redis | redis | redis | 172.16.238.14 |
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| Memcached | memcd | memcd | 172.16.238.15 |
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### Background
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#### Background - PHP Container
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The `php` container is the center of all container. Everything happens in there.
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This is also the reason it does some more magic than actually required.
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**Remote ports and remote sockets are made available to the `php` container.**
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The PHP container is using [socat](https://linux.die.net/man/1/socat) to
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1. forward the remote mysql port `3306` (on the mysql container) to its own `127.0.0.1:3306`
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2. forward the remote pgsql port `5432` (on the mysql container) to its own `127.0.0.1:5432`
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3. forward the remote redis port `6379` (on the mysql container) to its own `127.0.0.1:6379`
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3. forward the remote memcached port `11211` (on the memcd container) to its own `127.0.0.1:11211`
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#### Background - Docker Host
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The docker host (your computer) does exactly the same as the `php` container.
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1. container mysql port `3306` is exposed to the host on port `127.0.0.1:3306`
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2. container pgsql port `5432` is exposed to the host on port `127.0.0.1:5432`
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3. container redis port `6379` is exposed to the host on port `127.0.0.1:6379`
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3. container memcd port `11211` is exposed to the host on port `127.0.0.1:11211`
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Also the database sockets from the container are mounted into the host.
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#### Background - Benefit of the above
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With the PHP container and the docker host (your computer) behaving the same it is possible to write your php applications like this:
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```php
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<?php
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mysql_connect('127.0.0.1', 'user', 'pass');
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```
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This setup can then either be served by the docker or by your host computer (if you shutdown docker and start your local lamp stack)
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