Simple setup for Ubuntu 18.04 server

createNewRegtestServer.sh

### new ubuntu 18.04 server
### Be sure to run
# sudo apt-get update && sudo apt-get -y upgrade && sudo reboot
### For security updates
### Then run this script with passwordless sudo account ubuntu (default for ubuntu AWS EC2):
# CERTDOMAIN=something.yourdomain.com [email protected] ./thisScript.sh

# Install Bitcoin 0.17.0 etc.
sudo add-apt-repository -y ppa:bitcoin/bitcoin &>/dev/null
sudo apt-get update &>/dev/null
sudo apt-get install -y python build-essential libzmq3-dev libsnappy-dev &>/dev/null
sudo apt-get install -y bitcoind &>/dev/null

# Create bitcoind service
BITCOINBINPATH=$(which bitcoind)
echo "[Unit]
Description=bitcoind
After=syslog.target network.target

[Service]
Type=simple
ExecStart=$BITCOINBINPATH -server -regtest -txindex -zmqpubhashtx=tcp://127.0.0.1:30001 -zmqpubhashblock=tcp://127.0.0.1:30001 -rpcworkqueue=32
WorkingDirectory=/home/ubuntu
KillMode=process
Restart=always
User=ubuntu
Group=ubuntu

[Install]
WantedBy=multi-user.target" | sudo tee /etc/systemd/system/bitcoind.service > /dev/null
sudo systemctl enable bitcoind.service &>/dev/null
sudo systemctl start bitcoind &>/dev/null
sleep 2
bitcoin-cli -regtest generate 500 &>/dev/null

# Install nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh 2>/dev/null | bash &>/dev/null
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
nvm install v10 &>/dev/null

# Install LevelDB
export LDBVER="1.20"
wget https://github.com/google/leveldb/archive/v${LDBVER}.tar.gz &>/dev/null
tar xvf v${LDBVER}.tar.gz &>/dev/null
rm -f v${LDBVER}.tar.gz &>/dev/null
cd leveldb-${LDBVER}
make &>/dev/null
scp -r out-static/lib* out-shared/lib* "/usr/local/lib" &>/dev/null
cd include
scp -r leveldb /usr/local/include &>/dev/null
ldconfig &>/dev/null
cd ../..
rm -rf leveldb-${LDBVER}/ &>/dev/null

# Clone regtest-server
git clone https://github.com/bitcoinjs/regtest-server.git &>/dev/null
cd regtest-server/
npm i &>/dev/null

# Create API auth key(s)
mkdir ../regtest-server-data
echo "satoshi" > ../regtest-server-data/KEYS

# Create node service with needed Environment
NODEBINPATH=$(which node)
CURRENTDIR=$(pwd)
echo "[Unit]
Description=regtestapp
After=syslog.target network.target

[Service]
Type=simple
Environment=\"RPCCOOKIE=/home/ubuntu/.bitcoin/regtest/.cookie\"
Environment=\"KEYDB=/home/ubuntu/regtest-server-data/KEYS\"
Environment=\"INDEXDB=/home/ubuntu/regtest-server-data/db\"
Environment=\"ZMQ=tcp://127.0.0.1:30001\"
Environment=\"RPCCONCURRENT=32\"
Environment=\"RPC=http://localhost:18443\"
Environment=\"PORT=8080\"
ExecStart=$NODEBINPATH $CURRENTDIR/index.js
WorkingDirectory=/home/ubuntu
KillMode=process
Restart=always
User=ubuntu
Group=ubuntu

[Install]
WantedBy=multi-user.target" | sudo tee /etc/systemd/system/regtestapp.service > /dev/null
sudo systemctl enable regtestapp.service &>/dev/null
sudo systemctl start regtestapp &>/dev/null

# Create script for cronjob
echo "sudo systemctl stop regtestapp
sudo systemctl stop bitcoind
sudo rm -rf /home/ubuntu/.bitcoin
sudo systemctl start bitcoind
sleep 3
$(which bitcoin-cli) -regtest generate 500 &>/dev/null
sleep 3
sudo systemctl start regtestapp" > /home/ubuntu/regtest-server-data/resetRegtestServer.sh
chmod 755 /home/ubuntu/regtest-server-data/resetRegtestServer.sh

# Create cronjob
echo "0 5 * * 0 root /home/ubuntu/regtest-server-data/resetRegtestServer.sh" | sudo tee /etc/cron.d/resetregtestserver > /dev/null

# Install nginx
sudo apt-get install -y nginx &>/dev/null
sudo unlink /etc/nginx/sites-enabled/default &>/dev/null
# something.yourdomain.com is pointing to your server
echo "server {
    listen 80;
    server_name $CERTDOMAIN;
    location / {
      proxy_pass http://127.0.0.1:8080;
    }
}" | sudo tee /etc/nginx/sites-available/reverse-proxy.conf > /dev/null
sudo ln -s /etc/nginx/sites-available/reverse-proxy.conf /etc/nginx/sites-enabled/reverse-proxy.conf &>/dev/null
sudo service nginx configtest &>/dev/null
sudo service nginx restart &>/dev/null

# Install certbot
sudo add-apt-repository -y ppa:certbot/certbot &>/dev/null
sudo apt-get update &>/dev/null
sudo apt-get install -y python-certbot-nginx &>/dev/null
sudo certbot --nginx --non-interactive --agree-tos -d $CERTDOMAIN -m $CERTEMAIL &>/dev/null

# change local bitcoinjs-lib /test/integration/_regtest.js
# APIURL to "https://something.yourdomain.com/1"