Add official Friendica image docs

friendica/README-short.txt

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+Welcome to the free social web.

friendica/content.md

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+# What is Friendica?
+
+Friendica is a decentralised communications platform that integrates social communication. Our platform links to independent social projects and corporate services.
+
+![logo](https://cdn.rawgit.com/friendica/docker/9c954f4d/friendica.svg)
+
+# How to use this image
+
+The images are designed to be used in a micro-service environment. There are two types of the image you can choose from.
+
+The `apache` tag contains a full Friendica installation including an apache web server. It is designed to be easy to use and gets you running pretty fast. This is also the default for the `latest` tag and version tags that are not further specified.
+
+The second option is a `fpm` container. It is based on the [php-fpm](https://hub.docker.com/_/php/) image and runs a fastCGI-Process that serves your Friendica server. To use this image it must be combined with any Webserver that can proxy the http requests to the FastCGI-port of the container.
+
+[![Try in PWD](https://github.com/play-with-docker/stacks/raw/cff22438cb4195ace27f9b15784bbb497047afa7/assets/images/button.png)](http://play-with-docker.com?stack=https://raw.githubusercontent.com/nupplaphil/friendica-docker/fec33c98be957436279b7074ca08068b18622627/stack.yml) (Admin-E-Mail: `[email protected]`)
+
+## Using the apache image
+
+You need at least one other mariadb/mysql-container to link it to Friendica.
+
+The apache image contains a webserver and exposes port 80. To start the container type:
+
+```console
+$ docker run -d -p 8080:80 --link some-mysql:mysql friendica/server
+```
+
+Now you can access the Friendica installation wizard at http://localhost:8080/ from your host system.
+
+## Using the fpm image
+
+To use the fpm image you need an additional web server that can proxy http-request to the fpm-port of the container. For fpm connection this container exposes port 9000. In most cases you might want use another container or your host as proxy. If you use your host you can address your Friendica container directly on port 9000. If you use another container, make sure that you add them to the same docker network (via `docker run --network <NAME> ...` or a `docker-compose` file). In both cases you don't want to map the fpm port to you host.
+
+```console
+$ docker run -d friendica/server:fpm
+```
+
+As the fastCGI-Process is not capable of serving static files (style sheets, images, ...) the webserver needs access to these files. This can be achieved with the `volumes-from` option. You can find more information in the docker-compose section.
+
+## Using the cron job
+
+There are three options to enable the cron-job for Friendica:
+
+-	Using the default Image and activate the cron-job (see [Installation](https://friendi.ca/resources/installation/), sector `Activating scheduled tasks`)
+-	Using the default image (apache, fpm, fpm-alpine) and creating **two** container (one for cron and one for the main app)
+-	Using one of the additional, prepared [`cron dockerfiles`](https://github.com/friendica/docker/tree/master/.examples/dockerfiles/cron)
+
+## Possible Environment Variables
+
+**Friendica Settings**
+
+-	`FRIENDICA_URL` The Friendica URL path.
+-	`FRIENDICA_TZ` The default localization of the Friendica server.
+-	`FRIENDICA_LANG` The default language of the Friendica server.
+-	`FRIENDICA_PHP_PATH` The path of the PHP binary.
+-	`FRIENDICA_SITENAME` The Sitename of the Friendica server.
+-	`FRIENDICA_NO_VALIDATION` If set to `true`, the URL and E-Mail validation will be disabled.
+-	`FRIENDICA_DATA` If set to `true`, the fileystem will be used instead of the DB backend.
+-	`FRIENDICA_DATA_DIR` The data directory of the Friendica server (Default: /var/www/data).
+
+**Friendica Logging**
+
+-	`FRIENDICA_DEBUGGING` If set to `true`, the logging of Friendica is enabled.
+-	`FRIENDICA_LOGFILE` (optional) The path to the logfile (Default: /var/www/friendica.log).
+-	`FRIENDICA_LOGLEVEL` (optional) The loglevel to log (Default: notice).
+
+**Database** (**required at installation**)
+
+-	`MYSQL_USERNAME` Username for the database user using mysql.
+-	`MYSQL_USER` Username for the database user using mariadb.
+-	`MYSQL_PASSWORD` Password for the database user using mysql / mariadb.
+-	`MYSQL_DATABASE` Name of the database using mysql / mariadb.
+-	`MYSQL_HOST` Hostname of the database server using mysql / mariadb.
+-	`MYSQL_PORT` Port of the database server using mysql / mariadb (Default: `3306`)
+
+**Lock Driver (Redis)**
+
+-	`REDIS_HOST` The hostname of the redis instance (in case of locking).
+-	`REDIS_PORT` (optional) The port of the redis instance (in case of locking).
+-	`REDIS_PW` (optional) The password for the redis instance (in case of locking).
+-	`REDIS_DB` (optional) The database instance of the redis instance (in case of locking).
+
+## Administrator account
+
+Because Friendica links the administrator account to a specific mail address, you **have** to set a valid address for `MAILNAME`.
+
+## Mail settings
+
+The binary `ssmtp` is used for the `mail()` support of Friendica.
+
+You have to set the `--hostname/-h` parameter correctly to use the right domainname for the `mail()` command.
+
+You have to set a valid SMTP-MTA for the `SMTP` environment variable to enable mail support in Friendica. A valid SMTP-MTA would be, for example, `mx.example.org`.
+
+The following environment variables are possible for the SMTP examples.
+
+-	`SITENAME` The name of the Friendica node. (**required**)
+-	`SMTP` Address of the SMTP Mail-Gateway. (**required**)
+-	`SMTP_FROM` Sender user-part of the address. (Default: `no-reply` - e.g. [email protected])
+-	`SMTP_TLS` Use TLS for connecting the SMTP Mail-Gateway. (Default: empty)
+-	`SMTP_STARTTLS` Use STARTTLS for connecting the SMTP Mail-Gateway. (Default: empty)
+-	`SMTP_AUTH_USER` Username for the SMTP Mail-Gateway. (Default: empty)
+-	`SMTP_AUTH_PASS` Password for the SMTP Mail-Gateway. (Default: empty)
+-	`SMTP_AUTH_METHOD` Authentication method for the SMTP Mail-Gateway. (Default: empty/plain text)
+
+## Database settings
+
+You have to link a running database container, e. g. `--link my-mysql:mysql`, and then use `mysql` as the database host on setup.
+
+## Persistent data
+
+The Friendica installation and all data beyond what lives in the database (file uploads, etc) is stored in the [unnamed docker volume](https://docs.docker.com/engine/tutorials/dockervolumes/#adding-a-data-volume) volume `/var/www/html`. The docker daemon will store that data within the docker directory `/var/lib/docker/volumes/...`. That means your data is saved even if the container crashes, is stopped or deleted. To make your data persistent to upgrading and get access for backups is using named docker volume or mount a host folder. To achieve this you need one volume for your database container and Friendica.
+
+Friendica:
+
+-	`/var/www/html/` folder where all Friendica data lives
+
+```console
+$ docker run -d \
+  -v friendica-vol-1:/var/www/html \
+  friendica/server
+```
+
+Database:
+
+-	`/var/lib/mysql` MySQL / MariaDB Data
+
+```console
+$ docker run -d \
+  -v mysql-vol-1:/var/lib/mysql \
+  mariadb
+```
+
+## Automatic installation
+
+The Friendica image supports auto configuration via environment variables. You can preconfigure everything that is asked on the install page on first run. To enable the automatic installation, you have to the following environment variables:
+
+-	`FRIENDICA_ADMIN_MAIL` E-Mail address of the administrator.
+-	`MYSQL_USERNAME` or `MYSQL_USER` Username for the database user using mysql/mariadb.
+-	`MYSQL_PASSWORD` Password for the database user using mysql / mariadb.
+-	`MYSQL_DATABASE` Name of the database using mysql / mariadb.
+-	`MYSQL_HOST` Hostname of the database server using mysql / mariadb.
+
+# Maintenance of the image
+
+## Updating to a newer version
+
+You have to pull the latest image from the hub (`docker pull friendica`). The stable branch gets checked at every startup and will get updated if no installation was found or a new image is used.
+
+# Running this image with docker-compose
+
+The easiest way to get a fully featured and functional setup is using a `docker-compose` file. There are too many different possibilities to setup your system, so here are only some examples what you have to look for.
+
+At first make sure you have chosen the right base image (fpm or apache) and added the features you wanted (see below). In every case you want to add a database container and docker volumes to get easy access to your persistent data. When you want your server reachable from the internet adding HTTPS-encryption is mandatory! See below for more information.
+
+## Base version - apache
+
+This version will use the apache image and add a mariaDB container. The volumes are set to keep your data persistent. This setup provides **no ssl encryption** and is intended to run behind a proxy.
+
+Make sure to set the variable `MYSQL_PASSWORD` before run this setup.
+
+```yaml
+version: '2'
+
+services:
+  db:
+    image: mariadb
+    restart: always
+    volumes:
+      - db:/var/lib/mysql
+    environment:
+      - MYSQL_USER=friendica
+      - MYSQL_PASSWORD=
+      - MYSQL_DATABASE=friendica
+      - MYSQL_RANDOM_ROOT_PASSWORD=yes
+
+  app:
+    image: friendica/server
+    restart: always
+    volumes:
+      - friendica:/var/www/html
+    ports:
+      - "8080:80"
+    environment:
+      - MYSQL_HOST=db
+      - MYSQL_USER=friendica
+      - MYSQL_PASSWORD=
+      - MYSQL_DATABASE=friendica
+      - [email protected]      
+    hostname: friendica.local
+    depends_on:
+      - db
+
+volumes:
+  db:
+  friendica:
+```
+
+Then run `docker-compose up -d`, now you can access Friendica at http://localhost:8080/ from your system.
+
+## Base version - FPM
+
+When using the FPM image you need another container that acts as web server on port 80 and proxies requests to the Friendica container. In this example a simple nginx container is combined with the Friendica-fpm image and a MariaDB database container. The data is stored in docker volumes. The nginx container also need access to static files from your Friendica installation. It gets access to all the volumes mounted to Friendica via the `volumes_from` option. The configuration for nginx is stored in the configuration file `nginx.conf` that is mounted into the container.
+
+An example can be found in the [examples section](https://github.com/friendica/docker/tree/master/.examples).
+
+As this setup does **not include encryption** it should to be run behind a proxy.
+
+Prerequisites for this example:
+
+-	Make sure to set the variable `MYSQL_PASSWORD` and `MYSQL_USER` before you run the setup.
+-	Create a `nginx.conf` in the same directory as the docker-compose.yml file (take it from [example](https://github.com/friendica/docker/tree/master/.examples/docker-compose/with-traefik-proxy/mariadb-cron-smtp/fpm/web/nginx.conf))
+
+```yaml
+version: '2'
+
+services:
+  db:
+    image: mariadb
+    restart: always
+    volumes:
+      - db:/var/lib/mysql
+    environment:
+      - MYSQL_USER=friendica
+      - MYSQL_PASSWORD=
+      - MYSQL_DATABASE=friendica
+      - MYSQL_RANDOM_ROOT_PASSWORD=yes
+
+  app:
+    image: friendica/server:fpm
+    restart: always
+    volumes:
+      - friendica:/var/www/html    
+    environment:
+      - MYSQL_HOST=db
+      - MYSQL_USER=friendica
+      - MYSQL_PASSWORD=
+      - MYSQL_DATABASE=friendica
+      - [email protected]
+    hostname: friendica.local
+    networks:
+      - proxy-tier
+      - default 
+
+  web:
+    image: nginx
+    ports:
+      - 8080:80
+    links:
+      - app
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro    
+    restart: always
+    networks:
+      - proxy-tier  
+
+volumes:
+  db:
+  friendica:
+
+networks:
+  proxy-tier:
+```
+
+Then run `docker-compose up -d`, now you can access Friendica at http://localhost:8080/ from your system.
+
+# Special settings for DEV/RC images
+
+The `*-dev` and `*-rc` branches are having additional possibilities to get the latest sources of Friendica.
+
+## Possible Environment Variables
+
+The following environment variables are possible for these kind of images too:
+
+**Develop/Release Candidat Settings**
+
+-	`FRIENDICA_UPGRADE` If set to `true`, a develop or release candidat node will get updated at startup.
+-	`FRIENDICA_REPOSITORY` If set, a custom repository will be chosen (Default: `friendica`)
+-	`FRIENDICA_ADDONS_REPO` If set, a custom repository for the addons will be chosen (Default: `friendica`)
+-	`FRIENDICA_VERSION` If set, a custom branch will be chosen (Default is based on the chosen image version)
+-	`FRIENDICA_ADDONS` If set, a custom branch for the addons will be chosen (Default is based on the chosen image version)
+
+## Updating to a newer version
+
+You don't need to pull the image for each commit in [friendica](https://github.com/friendica/friendica/). Instead, the release candidate or develop branch will get updated if no installation was found or the environment variable `FRIENDICA_UPGRADE` is set to `true`.
+
+It will clone the latest Friendica version and copy it to your working directory.
+
+# Questions / Issues
+
+If you got any questions or problems using the image, please visit our [Github Repository](https://github.com/friendica/docker) and write an issue.

friendica/github-repo

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+https://github.com/friendica/docker

friendica/license.md

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+View [license information](https://github.com/friendica/server/blob/master/LICENSE) for the software contained in this image.