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Docker Installation Doichain Node and dApp

preconditions for DOI-requester installing "Send - dApp"

  • public IP-address and hostname (we recommend doichain.<your-domain.com>)
  • ssl certificate for nginx for above stated domain
  • prepare at least one email template for your DOI request email (if not provided, default is used)

in case you want to install a Doichain Double-Opt-In validator

  • SMTP server for outgoing DOI-Emails
  • defaultFrom (z.B. doichain@your-domain.com)
  • edit your DNS-Zone of <your-domain.com> (txt value with doichain public key)

Hardware Requirements

  • e.g. "Debian: 9 (Stretch) with 1 CPU, 2 GB RAM, 40 GB SSD"

Installation

sudo apt-get update

apt-get install -y \
     apt-transport-https \
     ca-certificates \
     curl \
     gnupg2 \
     software-properties-common \
     git
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -
apt-key fingerprint 0EBFCD88

add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/debian \
   $(lsb_release -cs) \
   stable"
   
apt-get update
apt-get install docker-ce
  • create 'doinet' on docker
docker network create doinet
#for testnet
docker volume create doichain-testnet-db
#for mainnet
docker volume create doichain
docker run -d --restart always --network doinet --name mongo \
    -v mongo-db:/data/db \
    -e MONGO_INITDB_ROOT_USERNAME=admin \
    -e MONGO_INITDB_ROOT_PASSWORD=secret \
    mongo:3.6
    use doichain
    db.createUser(
      {
        user: "doichain",
        pwd: "doichain",
        roles: [
           { role: "readWrite", db: "doichain" }
        ]
      }
    )
    
    use doichain-testnet
    db.createUser(
      {
        user: "doichain-testnet",
        pwd: "doichain-testnet",
        roles: [
           { role: "readWrite", db: "doichain-testnet" }
        ]
      }
    )

start doichain image

 docker run -td --restart always --network doinet \
 --name=doichain-testnet --hostname=doichain-testnet   \
-e TESTNET=true \
-e MONGO_URL="mongodb://doichain-testnet:doichain-testnet@mongo:27017/doichain-testnet" \
-e DAPP_HOST=<ip-or-hostname.your-domain.org> \
-e DAPP_PORT=3000 \
-e HTTP_PORT=3000  \
-e DAPP_DOI_URL=http://localhost:3000/api/v1/debug/mail \
-e DAPP_SSL=false \
-e DAPP_DEBUG=true   \
-e DAPP_CONFIRM='true'  \
-e DAPP_SEND='true'  \
-e DAPP_VERIFY='true'  \
-e DEFAULT_FROM='reply@your-domain.com'  \
-e DAPP_SMTP_HOST=localhost  \
-e DAPP_SMTP_USER=doichain   \
-e DAPP_SMTP_PASS='doichain-mail-pw!'  \
-e DAPP_SMTP_PORT=25  \
-e RPC_USER=admin  \
-e RPC_PASSWORD=rpc-password  \
-e RPC_HOST=localhost  \
-p 3000:3000 -p 18338:18338 -p 18339:18339 \
-v doichain-testnet-data:/home/doichain/data  \
doichain/dapp-testnet:0.0.9.30
  • check if dApp is running http://:3000
  • change the admin password!
  • install nginx apt-get update; apt-get install nginx
  • edit file vi /etc/nginx/sites-available/doichain
upstream doichain {
    server 127.0.0.1:3000;
    keepalive 32;
}
server {
        listen 80;
        listen [::]:80;

        server_name <your-hostname-and-domain>;
        
        location / {
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header Host $http_host;
                proxy_set_header X-NginX-Proxy true;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection "upgrade";
                proxy_pass http://doichain;
                proxy_redirect off;
        }
}
  • link file ln -s /etc/nginx/sites-available/doichain /etc/nginx/sites-enabled/doichain
  • start nginx systemctl nginx start
  • check if nginx is running on port 80
  • install letsencrypt https://certbot.eff.org/

Test