mobilizon/support/guides/install/install.md

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# Install
## Dependencies
Follow the steps of the [dependencies guide](dependencies.html)
## Database
Create the production database and a mobilizon user inside PostgreSQL:
```bash
sudo -u postgres createuser -P mobilizon
sudo -u postgres createdb -O mobilizon mobilizon_prod
```
Then enable extensions Mobilizon needs:
```bash
sudo -u postgres psql -c "CREATE EXTENSION postgis;" mobilizon_prod
sudo -u postgres psql -c "CREATE EXTENSION pg_trgm;" mobilizon_prod
sudo -u postgres psql -c "CREATE EXTENSION unaccent;" mobilizon_prod
```
## Mobilizon user
Create a `mobilizon` user with `/home/mobilizon` home:
```bash
sudo adduser --disabled-login mobilizon
sudo -i -u mobilizon
```
**On FreeBSD**
```bash
sudo pw useradd -n mobilizon -d /home/mobilizon -s /usr/local/bin/bash -m
sudo passwd mobilizon
```
You can now fetch the code with git:
```bash
git clone https://framagit.org/framasoft/mobilizon live && cd live
```
## Configuration
### Backend
Install Elixir dependencies
```bash
mix deps.get
```
Configure your instance with
```bash
mix mobilizon.instance gen
```
This will ask you questions about your instance and generate a `.env.prod` file.
### Migration
Run database migrations: `mix ecto.migrate`. You will have to do this again after most updates.
> If some migrations fail, it probably means you're not using a recent enough version of PostgreSQL,
or that you haven't installed [the required extensions](#database).
### Front-end
Go into the `js/` directory
```bash
cd js
```
and install the Javascript dependencies
```bash
yarn install
```
Finally, build the front-end with
```bash
yarn run build
```
## Services
### Systemd
Copy the `support/systemd/mobilizon.service` to `/etc/systemd/system`.
```bash
sudo cp support/systemd/mobilizon.service /etc/systemd/system/
```
Reload Systemd to detect your new file
```bash
sudo systemctl daemon-reload
```
And enable the service
```bash
systemctl enable --now mobilizon.service
```
It will run Mobilizon and enable startup on boot. You can follow the logs with
```bash
sudo journalctl -fu mobilizon.service
```
The Elixir server runs on port 4000 on the local interface only, so you need to add a reverse-proxy.
## Reverse proxy
### Nginx
Copy the file from `support/nginx/mobilizon.conf` to `/etc/nginx/sites-available`.
```bash
sudo cp support/nginx/mobilizon.conf /etc/nginx/sites-available
```
Then symlink the file into the `/etc/nginx/sites-enabled` directory.
```bash
sudo ln -s /etc/nginx/sites-available/mobilizon.conf /etc/nginx/sites-enabled/
```
Edit the file `/etc/nginx/sites-available` and adapt it to your own configuration.
Test the configuration with `sudo nginx -t` and reload nginx with `systemctl reload nginx`.