# Pleroma

## Configuration Serveur
- RAM: 4Go
- Proc: 4
- URL: https://toot.chalec.org

## Instance
- Nom: Toot Chalec
- Description: Le Fédivers de Chalec. Instance Pleroma avec Soapbox
- Activation des comptes par courriel: OUI
- Compte automatiquement suivi: admin
- Fédérée: OUI
- Modérée: OUI
- Nom d'utilisateur: 50 caractères maximum
- Limite de caractère par message: 600
- Limite de caractères des messages distants: 1000
- Nom des champs: 100 caractres ; Valeur 200 caractères
- Status épinglés: 2 maximum
- Sécurité DM : seul le premier mentionné
- Biographie utilisateur: 2000 caractères

## Installation
Reprise de la documentation officielle
Installation en version OTP

### Dépendances

```
sudo apt install  imagemagick \
                  ffmpeg \
                  libimage-exiftool-perl \
                  unzip \
                  libncurses5 \
                  nginx \
                  postgresql \
                  postgresql-contrib \
                  libmagic-dev \
                  certbot \
                  python3-certbot-nginx
```
### Création de l'utilisateur Système: pleroma
```
sudo adduser --system --shell /bin/false \
            --home /opt/pleroma pleroma

# Selon le serveur
export FLAVOUR="amd64"
```


### Téléchargement, décompression
```
sudo su pleroma -s $SHELL -lc "
curl 'https://git.pleroma.social/api/v4/projects/2/jobs/artifacts/stable/download?job=$FLAVOUR' \
      -o /tmp/pleroma.zip
unzip /tmp/pleroma.zip -d /tmp/
"
```

### Déplacement de la release
```
sudo su pleroma -s $SHELL -lc "
mv /tmp/release/* /opt/pleroma
rmdir /tmp/release
rm /tmp/pleroma.zip
"
```

### Création des Dossiers
```
sudo mkdir -p /var/lib/pleroma/{uploads,static}
sudo mkdir -p /etc/pleroma
sudo chown -R pleroma /var/lib/pleroma
sudo chown -R pleroma /etc/pleroma
```

## Générateur de configuration
```
sudo su pleroma -s $SHELL -lc "./bin/pleroma_ctl instance gen --output /etc/pleroma/config.exs --output-psql /tmp/setup_db.psql"
```

## Configuration:par le questionnaire
What domain will your instance use? (e.g pleroma.soykaf.com) [] toot.chalec.org
What is the name of your instance? (e.g. The Corndog Emporium) [toot.chalec.org] Le Fédivers de Chalec.org
What is your admin email address? [] contact+toot@chalec.org
What email address do you want to use for sending email notifications? [contact+toot@chalec.org] 
Do you want search engines to index your site? (y/n) [y] 
Do you want to store the configuration in the database (allows controlling it from admin-fe)? (y/n) [n] y
What is the hostname of your database? [localhost] 
What is the name of your database? [pleroma] 
What is the user used to connect to your database? [pleroma] 
What is the password used to connect to your database? [autogenerated] ***
Would you like to use RUM indices? [n] 
What port will the app listen to (leave it if you are using the default setup with nginx)? [4000]
What ip will the app listen to (leave it if you are using the default setup with nginx)? [127.0.0.1]
What directory should media uploads go in (when using the local uploader)? [/var/lib/pleroma/uploads] 
What directory should custom public files be read from (custom emojis, frontend bundle overrides, robots.txt, etc.)? [/var/lib/pleroma/static] 
Do you want to strip location (GPS) data from uploaded images? This requires exiftool, it was detected as installed. (y/n) [y] 
Do you want to anonymize the filenames of uploads? (y/n) [n] y
Do you want to deduplicate uploaded files? (y/n) [n]

# Création de la base de données Postgresql
```
sudo su postgres -s $SHELL -lc "psql -f /tmp/setup_db.psql"
```
## Création du schéma de la base de données
```
sudo su pleroma -s $SHELL -lc "./bin/pleroma_ctl migrate"
```

# Firewall
```
sudo ufw allow 443
sudo ufw allow 80
sudo ufw allow 4000
```

# Nginx
```
## Copy example file
sudo cp /opt/pleroma/installation/pleroma.nginx /etc/nginx/sites-available/toot.chalec.org.conf

# Change tld values
# replace listen 443 ssl http2; with listen 443 ssl proxy_protocol;
sudo nano /etc/nginx/sites-available/toot.chalec.org.conf
```

# Let's encrypt
```
sudo certbot certonly -d toot.chalec.org
```

# Service SystemD
```
# Copy the service into a proper directory
sudo cp /opt/pleroma/installation/pleroma.service /etc/systemd/system/pleroma.service
sudo systemctl start pleroma
sudo systemctl enable pleroma
```

# Activation de nginx
```
sudo ln -s /etc/nginx/sites-available/toot.chalec.org.conf /etc/nginx/sites-enabled/toot.chalec.org
sudo nginx -t && sudo systemctl restart nginx
```

# Création de l'utilisateur admin
```
cd /opt/pleroma
sudo su pleroma -s $SHELL -lc "./bin/pleroma_ctl user new admin contact+toot@chalec.org --admin"
```

# Installation du front-end soapbox
```
sudo apt install busybox
cd /tmp
curl -L https://gitlab.com/soapbox-pub/soapbox-fe/-/jobs/artifacts/v1.3.0/download?job=build-production -o soapbox-fe.zip
sudo busybox unzip soapbox-fe.zip -o -d /var/lib/pleroma
```

# Optimisation de Postgresql
```
sudo nano /etc/postgresql/13/main/postgresql.conf
```

## Valeurs changées dans postgresql
```
# Values to change according to https://pgtune.leopard.in.ua/
# DB Version: 13
# OS Type: linux
# DB Type: web
# Total Memory (RAM): 4 GB
# CPUs num: 4
# Connections num: 100
# Data Storage: ssd

max_connections = 100
shared_buffers = 1GB
effective_cache_size = 3GB
maintenance_work_mem = 256MB
checkpoint_completion_target = 0.9
wal_buffers = 16MB
default_statistics_target = 100
random_page_cost = 1.1
effective_io_concurrency = 200
work_mem = 5242kB
min_wal_size = 1GB
max_wal_size = 4GB
max_worker_processes = 4
max_parallel_workers_per_gather = 2
max_parallel_workers = 4
max_parallel_maintenance_workers = 2
```

# Redémarrage de la base de donnée postgresql

```
sudo systemctl restart postgresql
```