ops-gaurav

#!/usr/bin/sh
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.0/install.sh | bash
export NVM_DIR="/home/ubuntu/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm

# install the node version
nvm install 14.15.4

echo "Installed node version " && node --version

ops-gaurav

Setup GitHub repository SSH deploy keys

1. Create GitHub repository in github and save the SSH repository url

2. Init git on server in code directory

• git init

3. Create SSH keys on the server

• ssh-keygen -t rsa -b 4096 -C your@email.here
• Rename the key that doesn't end with .pub to repo-name.deploy.pem

ops-gaurav

{
	"apps": [
		{
			"name": "refresh-cron",
			"command": "python3 /etc/docker/compose/composeservice/configurations/ecr-refresh-token.py",
			"autorestart": true,
			"env": {
				"REGION": "ap-south-1",
				"ENDPOINT": "388364135013.dkr.ecr.ap-south-1.amazonaws.com"
			}

ops-gaurav

Docker compose as a systemd unit

Create file /etc/systemd/system/docker-compose@.service. SystemD calling binaries using an absolute path. In my case is prefixed by /usr/local/bin, you should use paths specific for your environment.

[Unit]
Description=%i service with docker compose
Requires=docker.service
After=docker.service

ops-gaurav

#!/usr/bin/env bash

set -e

# Usage create-vod-hls.sh SOURCE_FILE [OUTPUT_NAME]
[[ ! "${1}" ]] && echo "Usage: create-vod-hls.sh SOURCE_FILE [OUTPUT_NAME]" && exit 1

# comment/add lines here to control which renditions would be created
renditions=(
# resolution  bitrate  audio-rate

ops-gaurav

Kubernetes Deployments
- Minikube disto for kuberntes deployment (locally Linux Mac and Windows) (recommended for development and learning) use cloud for production
- Deployments are high level constructs that define an application
- Pods are instances of a container in a deployment
- Services are the endpoints that export ports to the outside world

Text Lecture: Minikube Setup
Commands
* Linux: 
*  

ops-gaurav

docker rm $(docker ps -a -q)
docker rmi $(docker images -q)

ops-gaurav

Policy
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "s3:ListAllMyBuckets",
                "s3:PutObject",
                "s3:GetObject"

ops-gaurav

#!/bin/bash

echo "Downloading jenkins...."
wget -q -O - https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add -
echo deb https://pkg.jenkins.io/debian-stable binary/ | sudo tee /etc/apt/sources.list.d/jenkins.list
sudo apt-get update
sudo apt-get install jenkins -y

echo "Starting jenkins..."
sudo systemctl start jenkins

ops-gaurav

# This is the production variant of
# docker deployment for litnite
version: '3'
services:
  #built by master branch
  litnite-app:
    image: index.docker.io/litnite/backend:master
    container_name: 'litnite'
    ports:
      - 3001:3001