h1. HedgeDoc

Cette page décrit l'installation de HedeDoc (éditeur collaboratif Markdown) : https://hedgedoc.org/ sur https://md.tetaneutral.net

la VM a Debian 10 / 2 Go RAM / 20 Go disque

h2. Paquets prérequis

<pre>

apt install git

apt install nodejs

apt install postgresql

apt install nginx

apt install certbot

apt install python3-certbot-nginx

apt install npm

npm install --global yarn

</pre>

h2. Création utilisateur + base de données PostgreSQL

<pre>

adduser hedgedoc (long random password)

</pre>

<pre>

su - postgres

createuser --pwprompt hedgedoc (meme mot de passe)

createdb -O hedgedoc hedgedoc

exit

</pre>

h2. Installation du logiiciel lui-même:

<pre>

sudo -u hedgedoc bash

git clone -b 1.7.2 https://github.com/hedgedoc/hedgedoc.git

cd hedgedoc

./bin/setup

yarn run build

</pre>

Créer @env.sh@

<pre>

# Environment pour HedgeDoc

# https://docs.hedgedoc.org/configuration/

CMD_DOMAIN=md.tetaneutral.net

CMD_HOST=127.0.0.1

CMD_PORT=3000

CMD_PROTOCOL_USESSL=true

CMD_DB_URL=postgres://hedgedoc:<mot de passe>@localhost:5432/hedgedoc

CMD_ALLOW_ANONYMOUS=false

CMD_ALLOW_ANONYMOUS_EDIT=true

CMD_ALLOW_ANONYMOUS_VIEWS=true

CMD_DEFAULT_PERMISSION=limited

CMD_DEFAULT_USE_HARD_BREAK=false

CMD_SESSION_SECRET=<secret generé par pwgen 32 1>

CMD_IMAGE_UPLOAD_TYPE=filesystem

CMD_EMAIL=false

CMD_ALLOW_EMAIL_REGISTER=false

CMD_ALLOW_FREEURL=true

CMD_REQUIRE_FREEURL_AUTHENTICATION=true

CMD_LDAP_URL=ldaps://ldap.tetaneutral.net/

CMD_LDAP_BINDDN='cn=directory manager'

CMD_LDAP_BINDCREDENTIALS=<mdp root ldap>

CMD_LDAP_SEARCHBASE=ou=people,dc=tetaneutral,dc=net

CMD_LDAP_SEARCHFILTER='(cn={{username}})'

CMD_LDAP_SEARCHATTRIBUTES='cn,nsUniqueId'

CMD_LDAP_USERIDFIELD=nsUniqueId

CMD_LDAP_USERNAMEFIELD=cn

CMD_LDAP_PROVIDERNAME=Tetaneutral.net

CMD_USECDN=false

CMD_ALLOW_GRAVATAR=true

CMD_ALLOW_ORIGIN=md.tetaneutral.net

DEBUG=false

NODE_ENV=production

</pre>

et @.sequelizerc@ :

<pre>

var path = require('path');

module.exports = {

    'config':          path.resolve('config.json'),

    'migrations-path': path.resolve('lib', 'migrations'),

    'models-path':     path.resolve('lib', 'models'),

    'url':             'postgres://hedgedoc:<mot de passe>@localhost:5432/hedgedoc'

}

</pre>

h3. Lancement manuel pour débug

<pre>

su - hedgedoc

cd ~/hedgedoc

source env.sh

export $(grep -v ^# env.sh | cut -d= -f1)

node app.js

</pre>

Permet d'avoir les messages d'erreur eventuels en direct sur la console. 

Ctrl+C pour terminer l'appli.

h2. Service systemd

Créer @/etc/systemd/system/hedgedoc.service@ :

<pre>

[Unit]

Description=HedgeDoc

After=network.target

[Service]

Type=simple

User=hedgedoc

EnvironmentFile=/home/hedgedoc/hedgedoc/env.sh

WorkingDirectory=/home/hedgedoc/hedgedoc

ExecStart=/usr/local/bin/yarn start

TimeoutSec=15

Restart=always

[Install]

WantedBy=multi-user.target

</pre>

Ensuite exécuter @systemctl daemon-reload@ pour lire le nouveau service et 

<pre>

systemctl enable hedgedoc

systemctl start hedgedoc

</pre>

pour lancer le service et le rendre permanent.

h2. Reverse Proxy

Configuration du reverser proxy  nginx + certbot pour certificat let's encrypt :

# @/etc/nginx/sites-available/md.tetaneutral.net.conf@ :

<pre>

map $http_upgrade $connection_upgrade {

        default upgrade;

        ''      close;

}

server {

    listen 80 ;

    listen [::]:80 ;

    if ($host = md.tetaneutral.net) {

        return 301 https://$host$request_uri;

    } # managed by Certbot

    server_name md.tetaneutral.net;

    return 404; # managed by Certbot

}

server {

        server_name md.tetaneutral.net;

        location / {

                proxy_pass http://127.0.0.1:3000;

                proxy_set_header Host $host; 

                proxy_set_header X-Real-IP $remote_addr; 

                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 

                proxy_set_header X-Forwarded-Proto $scheme;

        }

        location /socket.io/ {

                proxy_pass http://127.0.0.1:3000;

                proxy_set_header Host $host; 

                proxy_set_header X-Real-IP $remote_addr; 

                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 

                proxy_set_header X-Forwarded-Proto $scheme;

                proxy_set_header Upgrade $http_upgrade;

                proxy_set_header Connection $connection_upgrade;

        }

    listen [::]:443 ssl http2;

    listen 443 ssl http2;

    ssl_certificate /etc/letsencrypt/live/md.tetaneutral.net/fullchain.pem; # managed by Certbot

    ssl_certificate_key /etc/letsencrypt/live/md.tetaneutral.net/privkey.pem; # managed by Certbot

    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot

    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

</pre>