Demo App

graph LR
A[app1]
A -- pub --> C(MQTT - BROKER)
C -- sub --> D[app2]
C--sub-->E[app3]
D -- pub --> C
D -- db --> B((InfluxDB))
E--print-->F[tabular]

Loading

Docker Build

docker-compose --env-file your-env build --no-cache

Docker-Compose Run

docker-compose --env-file your-env up

docker-compose --env-file your-env up -d # for Detached mode

Docker-Compose Stop

docker-compose stop

Docker-Compose Destroy

docker-compose --env-file your-env down

Docker-Compose process

docker-compose ps

docker ps

docker ps -a

Docker Utils

docker logs -f DOCKER-CONTAINER-NAME

docker exec -ti DOCKER-CONTAINER-NAME bash

docker stop DOCKER-CONTAINER-NAME

docker start DOCKER-CONTAINER-NAME

docker status DOCKER-CONTAINER-NAME

docker commit -m "MESSAGE" DOCKER-CONTAINER-NAME DOCKER-REPO-NAME:TAG

Terraform

AWS

• Create a local SSH key or Upload Your Publish Key
• Download AWS ACCESS KEY and SECRET KEY

export AWS_ACCESS_KEY_ID="anaccesskey"
export AWS_SECRET_ACCESS_KEY="asecretkey"
export AWS_DEFAULT_REGION="asecretkey"

• edit region, type and key_name for ssh key pair

vi terraform.tfvars

aws_region      = "us-east-1"
key_name        = "XXXXXXXX"
instance_type   = "t2.micro"

• edit / check for instance and port [EIP/EC2/SG]

vi ec2.tf 
aws_security_group
aws_instance
aws_eip
aws_ami

Packer

• edit or check for build provisioner

vi vm.pkr.hcl

  provisioner "file" {
    destination = "/tmp/"
    source      = "./mqtt.ter.tgz"
  }

• Build AMI

packer build vm.pkr.hcl

additional

packer init .
packer vailadate .

Terraform

• Plan for Terraform

terraform plan

• Provision Infra

terraform apply --auto-approve

• Login EC2 with pem key (Optional)

ssh -i KEY_NAME.pem ubuntu@PACKER_EIP

Clean up Infra

terraform destroy --auto-approve

GitHub Actions

• Setting - Secret - Actions

AWS_ACCESS_KEY_ID
AWS_DEFAULT_REGION
AWS_SECRET_ACCESS_KEY
TF_API_TOKEN
ENV_FILE

Services

MQTT Expolorer

PACKER_EIP:4000

InfluxDB

PACKER_EIP:8086