threeleaf-backend

Authentication and Authorization example for Nest.js TypeScript Framework With some boilerplate nice to start your own project, ready to use.

Requirements

Nodejs best one from Node Version Manager
Docker + Docker Compose
npm - do not install it using yarn, because it wont work

Installation

$ npm install

Configuration

Copy file .env.example and name it .env

These are environment variables required for application to start.

APP_DATABASE_TYPE is a type of database for TypeORM
APP_DATABASE_LOGGING is a logging level for TypeORM
APP_LOGGER_LEVEL is a logging level for Nest.js

Running the app

# Bring up the docker with database
$ docker-compose up -d

# development
$ npm run start

# build
$ npm run build

# production mode
$ npm run prod

# fix lint errors
$ npm run lint:fix

Docker build

Build image

To build a docker image, execute:

$ ./build.sh

Run build image

Open docker-compose.yml and remove hashes from beginning of the lines from line nr 13 then run script:

$ ./run.sh

Deployment

Official documentation

Determine if we have a role for ECS

Change region to yours.

Generate KMS

aws kms create-key --description dev-threeleaf --region us-east-2 --profile threeleaf_ENV

Save output somewhere

Generate System Manager Parameters

This is a bit tricky, so I have created a script for it inside ecs/envs.js, to use it it's enough to execute:

node ecs/envs.js ENV KMS_KEY_ID

Replace ENV with one of the following:

dev
stag
prod

Replace KMS_KEY_ID from prev output.

FAQ:

Q: For what sake this is even exists?

A: Basically, you want to pass some variables to the container, by this, you're able to specify them manually in your .env file, and this script will read them, and put to the System Manager Parameter Store.

Configure role

Create role

aws iam --region us-east-2 --profile threeleaf_ENV create-role --role-name ecsTaskExecutionRole --assume-role-policy-document file://ecs/task-execution-assume-role.json

To create policy to read from AWS System Manager, edit: ecs/secret-access.json

Replace ${REGION} to your
Replace ${USER_ID} to your (HINT: it's a part of AWS_KMS_ARN, by analogy)
Replace ${AWS_KMS_ARN} to one from Generate KMS

aws iam --region us-east-2 --profile threeleaf_ENV create-policy --policy-name ecsTaskAssumePolicy --policy-document file://ecs/secret-access.json

Save output for latter usage

Then attach policy to our role:

aws iam --region us-east-2 --profile threeleaf_ENV attach-role-policy --role-name ecsTaskExecutionRole --policy-arn arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy

And now, attach another policy ecsTaskAssumePolicy, that we create, to our role ecsTaskExecutionRole

aws iam --region us-east-2 --profile threeleaf_ENV attach-role-policy --role-name ecsTaskExecutionRole --policy-arn ${POLICY_ARN}

Replace ${POLICY_ARN} to one from above, where we create policy ecsTaskAssumePolicy

Configure ECS

ecs-cli configure --cluster threeleaf-backend --region us-east-2 --default-launch-type FARGATE --config-name threeleaf-backend

Create a Cluster and Security Group

ecs-cli up --cluster threeleaf-backend --region us-east-2

Replace VPC_ID from the previous output

aws ec2 create-security-group --group-name "threeleaf-sg" --description "Three Leaf Security Group" --vpc-id "VPC_ID" --region us-east-2

replace security_group_id from previous output

aws ec2 authorize-security-group-ingress --group-id "security_group_id" --protocol tcp --port 80 --cidr 0.0.0.0/0 --region us-east-2

Then update ecs/ecs-params.yml for subnets and security_groups

Deploy

ecs-cli compose --project-name threeleaf-backend service up --create-log-groups --cluster-config threeleaf-backend --timeout 30 --region us-east-2 --force-deployment --target-group-arn ${TARGET_GROUP_ARN} --container-name threeleaf-backend --container-port 80

Replace ${TARGET_GROUP_ARN} with one from newly created Application Load Balancer in AWS Console

Check output

ecs-cli compose --project-name threeleaf-backend service ps --cluster-config threeleaf-backend

View logs

Replace TASK_ID with one from previous output

ecs-cli logs --task-id TASK_ID --follow --cluster-config threeleaf-backend

Scale it up

ecs-cli compose --project-name threeleaf-backend service scale 2 --cluster-config threeleaf-backend

Destroy it

ecs-cli compose --project-name threeleaf-backend service down --cluster-config threeleaf-backend

ecs-cli down --force --cluster-config threeleaf-backend

DocumentDB port mapping

ssh -i ~/.ssh/vpc-proxy.pem -L 27017:docdb-2019-03-20-12-30-07.cdujgfmlylru.us-east-2.docdb.amazonaws.com:27017 [email protected] -N

mongo --sslAllowInvalidHostnames --ssl --sslCAFile ./ecs/rds-combined-ca-bundle.pem --username caesar --password

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