Tool to create domain with cert (nginx + letsencrypt)

domain.sh

#!/bin/sh

# Tool to create domain with cert
# ./domain.sh test.example.com 1234
# where 1234 - upstream port

# Input params
DOMAIN=$1
UPSTREAM_PORT=$2

# Check if config already exist (no overwrite)
if [ -f /etc/nginx/servers/$DOMAIN ]; then
  echo "Config /etc/nginx/servers/$DOMAIN already exist. Remove it for continue"
  exit 1;
fi

echo "Create SSL nginx config for $DOMAIN with upstream 127.0.0.1:$UPSTREAM_PORT"

mkdir -p /var/www/$DOMAIN

# Initial domain for obtain certs
echo "Create HTTP config"

cat << EOF > /etc/nginx/servers/$DOMAIN
server {
  listen 80;
  server_name $DOMAIN;
  location '/.well-known/acme-challenge' {
    default_type "text/plain";
    allow all;
    root /var/www/$DOMAIN/;
  }
}
EOF

echo "Reload nginx"
nginx -s reload
letsencrypt -t -n --agree-tos --webroot -m email@example.com \
	--webroot-path /var/www/$DOMAIN -d $DOMAIN \
  certonly


# Update config with keys
echo "Create HTTPS config"

cat << EOF > /etc/nginx/servers/$DOMAIN
upstream localhost_$UPSTREAM_PORT {
  server localhost:$UPSTREAM_PORT fail_timeout=0;
}
server {
  listen 443 ssl;
  server_name $DOMAIN;
  access_log /var/log/nginx/${DOMAIN}_access.log;
  error_log /var/log/nginx/${DOMAIN}_error.log warn;

  ssl_certificate /etc/letsencrypt/live/${DOMAIN}/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/${DOMAIN}/privkey.pem;
  #include snippets/ssl-params.conf;

  location / {
    proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
    proxy_set_header Host \$http_host;
    proxy_redirect off;
    proxy_buffers 8 16k;
    proxy_buffer_size 32k;

    proxy_pass http://localhost_$UPSTREAM_PORT;
  }
}

# Letsencrypt webroot
server {
  listen 80;
  server_name $DOMAIN;

  location '/.well-known/acme-challenge' {
    default_type "text/plain";
    allow all;
    root /var/www/$DOMAIN/;
  }
  location / {
    return 301 https://\$host\$request_uri;
  }
}
EOF

echo "Reload nginx"
nginx -s reload
echo DONE