How to Setup an Odoo development environment

# update packages
sudo apt update && sudo apt upgrade -y
# add deadsnakes repo because we need python 3.8
sudo apt install software-properties-common -y
sudo add-apt-repository ppa:deadsnakes/ppa -y
# install dependencies for pip to compile source python packages
sudo apt install python3.8 python3.8-dev python3.8-distutils python3.8-lib2to3 python3-virtualenv libpq-dev libldap2-dev libssl-dev libsasl2-dev libjs-underscore
fonts-dejavu-core fonts-freefont-ttf fonts-freefont-otf fonts-noto-core fonts-inconsolata fonts-font-awesome fonts-roboto-unhinted gsfonts p7zip-full -y
# shallow clone Odoo CE to save space
git clone --branch 15.0 --depth=1 https://github.com/odoo/odoo.git ~/git/odoo/15.0
# create and activate python virtual environment
virtualenv --python=python3.8 ~/envs/15.0
source ~/envs/15.0/bin/activate
# install python libs
pip install -r ~/git/odoo/15.0/requirements.txt
# make sure it works
~/git/odoo/15.0/odoo-bin --version

sudo apt install postgresql -y
# create a super user for your nix user to connect using unix sockets
sudo -H -u postgres -- createuser --superuser $USER
# let's create a new db with test data and CRM app
~/git/odoo/15.0/odoo-bin -d v15_test --stop-after-init --no-http -i crm

wget https://github.com/wkhtmltopdf/packaging/files/8632951/wkhtmltox_0.12.5-1.jammy_amd64.zip
7z x wkhtmltox_0.12.5-1.jammy_amd64.zip
sudo dpkg -i wkhtmltox_0.12.5-1.jammy_amd64.deb
sudo apt install --fix-broken

wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.1/install.sh | bash
source ~/.bashrc
nvm install 14
npm install -g less rtlcss rtl-detect clean-css postcss-ltr-rtl-detect

sudo apt install nginx

upstream odoo_srv {
    server 127.0.0.1:8069 weight=1 fail_timeout=0;
}

upstream odoo_long {
    server 127.0.0.1:8072 weight=1 fail_timeout=0;
}

server {
    listen 80 default_server;
    server_name www.odoo.local;

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;
    proxy_buffers 16 64k;
    proxy_buffer_size 128k;
    client_max_body_size 4M;

    gzip on;
    gzip_disable "msie6";
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_http_version 1.1;
    gzip_min_length 256;
    gzip_types
        text/css
        text/javascript
        text/xml
        text/plain
        image/bmp
        image/gif
        image/jpeg
        image/jpg
        image/png
        image/svg+xml
        image/x-icon
        application/javascript
        application/json
        application/rss+xml
        application/vnd.ms-fontobject
        application/x-font-ttf
        application/x-javascript
        application/xml
        application/xml+rss;

    location ~* ^/([^/]+/static/|web/(css|js)/|web/image/|web/content/|website/image/) {
        proxy_cache_valid 200 60m;
        proxy_buffering on;
        expires 30d;
        proxy_pass http://odoo_srv;
    }


    location / {
        proxy_pass http://odoo_srv;
        proxy_connect_timeout 360s;
        proxy_send_timeout 360s;
        proxy_read_timeout 360s;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
        proxy_redirect off;
    }

    location /longpolling {
        proxy_pass http://odoo_long;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
        proxy_redirect off;
    }

}

sudo nginx -t && sudo systemctl reload nginx.service

# let's run the server and text on port 80
~/git/odoo/15.0/odoo-bin -d v15_test --db-filter ^v15_test$ --workers 3