LXD+dockers+nginx. Remote development for several developer on a single server. LATEST VERSION is here: https://odoo-development.readthedocs.io/en/latest/remote-dev/lxd/lxd.html

1-lxd.sh

# For understanding LXC see https://wiki.debian.org/LXC

# Based on:
# lxd + docker: https://stgraber.org/2016/04/13/lxd-2-0-docker-in-lxd-712/
# lxd network (static ip): https://stgraber.org/2016/10/27/network-management-with-lxd-2-3/
LXD_NETWORK="dev-network2"

# install lxd 2.3+
apt-get install software-properties-common

add-apt-repository ppa:ubuntu-lxc/lxd-stable
apt-get update
apt-get dist-upgrade
apt-get install lxd

# init lxd
lxd init

# init network
lxc network create ${LXD_NETWORK}
lxc network show ${LXD_NETWORK}  # check ipv4.address field


############################
# Per each Developer
GITHUB_USERNAME="yelizariev"
CONTAINER="${GITHUB_USERNAME}"
SERVER_DOMAIN="${GITHUB_USERNAME}.dev.it-projects.info"
NGINX_CONF="dev-${GITHUB_USERNAME}.conf"
LOCAL_IP="10.0.3.123"  # use one from network subnet
PORT="10100"  # unique per each developer

lxc init ubuntu-daily:16.04 ${CONTAINER} -p default -p docker
lxc network attach ${LXD_NETWORK} ${CONTAINER} eth0
lxc config device set ${CONTAINER} eth0 ipv4.address ${LOCAL_IP}
lxc config set ${CONTAINER} security.privileged true

# forward ssh port
iptables -t nat -A PREROUTING -p tcp -i eth0 --dport ${PORT} -j DNAT \
 	--to-destination ${LOCAL_IP}:22
  
lxc start ${CONTAINER}
lxc exec ${CONTAINER} -- mkdir -p /root/.ssh
lxc exec ${CONTAINER} -- bash -c "curl --silent https://github.com/${GITHUB_USERNAME}.keys >> /root/.ssh/authorized_keys"
# colorize prompt:
lxc exec ${CONTAINER} -- sed -i "s/#force_color_prompt=yes/force_color_prompt=yes/" /root/.bashrc
lxc exec ${CONTAINER} -- sed -i "s/01;32m/01;36m/" /root/.bashrc

# install some packages
lxc exec  ${CONTAINER} -- apt update
lxc exec  ${CONTAINER} -- apt dist-upgrade -y
lxc exec  ${CONTAINER} -- apt install docker.io htop nginx -y

## nginx on host machine
cd /tmp/
curl -s https://gist.githubusercontent.com/yelizariev/d305f3650001b441673fc1ad42c58e69/raw/nginx.conf > nginx.conf
sed -i "s/NGINX_SERVER_DOMAIN/.${SERVER_DOMAIN}/g" nginx.conf
sed -i "s/SERVER_HOST/${LOCAL_IP}/g" nginx.conf
cp nginx.conf /etc/nginx/sites-available/${NGINX_CONF}
ln -s /etc/nginx/sites-available/${NGINX_CONF} /etc/nginx/sites-enabled/${NGINX_CONF}
# then restart nginx in a usual way

###################
# Control commands

# delete container
lxc delete CONTAINER-NAME

# see iptables rules
iptables -L -t nat

# delete nat rule 
iptables -t nat -D PREROUTING POSITION_NUMBER

nginx.conf

server {
    listen 80;
    server_name NGINX_SERVER_DOMAIN;

    location / {
        proxy_pass http://SERVER_HOST:80;
    }

    charset utf-8;

    ## increase proxy buffer to handle some OpenERP web requests
    proxy_buffers               16 64k;
    proxy_buffer_size           128k;

    ## set headers
    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_read_timeout         600s;
    client_max_body_size        200m;

    #general proxy settings
    proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;

    # by default, do not forward anything
    proxy_redirect       off;
    proxy_buffering      off;
}