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Deploy on Cloud

Deploy on Cloud

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  • We are using Ubuntu 22.04 (LTS) x64 for the server.
  • We are using Golang for the API with GoEthereum, Gorm and GinGonic

server.service

Run nano /etc/systemd/system/server.service and put this default config in it

[Unit]
Description=Yearn data API

[Service]
ExecStart=/root/ydaemon/yDaemon
Restart=always
EnvironmentFile=/etc/systemd/system/server.conf

[Install]
WantedBy=multi-user.target

server.conf

Run nano /etc/systemd/system/server.conf and put the environment variables in it.

RPC_URI_FOR_1=
RPC_URI_FOR_250=
RPC_URI_FOR_42161=

# Optional
WEBHOOK_SECRET=
GRAPH_API_URI=
SENTRY_DSN=
SENTRY_SAMPLE_RATE=
LOG_LEVEL=        # DEBUG, INFO, WARNING, SUCCESS, ERROR

Needed packages

Install the packages needed to run the app

sudo apt-get install nginx #for the reverse proxy
sudo apt-get install certbot python3-certbot-nginx #for the SSL certificate
sudo apt-get update #some general update
sudo apt install golang #go

Nginx configuration

First, be sure to point your domain name to the API on your DNS configuration.
Then, we will set up Nginx. First, navigate to the enable websites with cd /etc/nginx/sites-enabled, remove the default configuration with rm -rf default and create the one for our API with nano yearn.server.conf.
Add this in your nginx configuration file (yearn.server.conf). Be sure to replace ydaemon.yearn.finance by your own domain.

upstream golang {
    server 127.0.0.1:8080;
    keepalive 4;
}

server {
    location / {
        proxy_pass http://golang;
    }

    listen 80;
    listen [::]:80;
    server_name ydaemon.yearn.finance;
}

Run the sudo certbot --nginx command to ask for a SSL certificate. Follow the instruction and wait to get a Successfully received certificate..

Build the executable

Now we will need to build the executable. First, clone this repo in ~/. You can now build the project the same way you could do it on your machine: go build -o yDaemon ./cmd && ./yDaemon

Start the daemon

Run the following commands:

systemctl daemon-reload #reload the services
sudo systemctl start server.service #start your service
sudo systemctl status server.service #verify that your service is ready
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