gistfile1.sh

# config
export HOME=/root
export SPINNERS=$HOME/spinners

# setup spinners
mkdir $SPINNERS

# deps
apt-get update -y
apt-get install -y docker.io git-core python-pip nginx golang byobu

# docker
ln -s /usr/bin/docker.io /usr/bin/docker

# fig
curl -L https://github.com/orchardup/fig/releases/download/0.4.0/linux > /usr/local/bin/fig
chmod +x /usr/local/bin/fig

# go
mkdir $SPINNERS/go
GOPATH=$SPINNERS/go
PATH=$GOPATH/bin:$PATH
echo "export GOPATH=$GOPATH" >> $HOME/.bashrc
echo "export PATH=$PATH" >> $HOME/.bashrc
source $HOME/.bashrc

# docker-gen
go get github.com/jwilder/docker-gen

# nginx template
mkdir $SPINNERS/templates
cat > $SPINNERS/templates/nginx.tmpl <<EOL
{{ range \$host, \$containers := groupBy \$ "Env.VIRTUAL_HOST" }}
upstream {{ \$host }} {

{{ range \$index, \$value := \$containers }}
    {{ with \$address := index \$value.Addresses 0 }}
    server {{ \$address.IP }}:{{ \$address.Port }};
    {{ end }}
{{ end }}

}

server {
    #ssl_certificate /etc/nginx/certs/demo.pem;
    #ssl_certificate_key /etc/nginx/certs/demo.key;

    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;

    server_name {{ \$host }};

    location / {
        proxy_pass http://{{ \$host }};
        include /etc/nginx/proxy_params;
    }
}
{{ end }}
EOL

# upstart docker-gen
cat > "/etc/init/docker-gen.conf" <<EOL
start on runlevel [2345]
stop on runlevel [!2345]
respawn
exec $SPINNERS/go/bin/docker-gen -only-exposed -watch -notify "/etc/init.d/nginx reload" $SPINNERS/templates/nginx.tmpl /etc/nginx/sites-enabled/default
EOL

service docker-gen start