Authentication and Blog services
$ openssl genpkey -algorithm RSA -out private_key.pem -pkeyopt rsa_keygen_bits:2048
create .env file in auth-service folder to store PostgreSQL credentials
DB_HOST=localhost
DB_PORT=5432
DB_USER=postgres
DB_PASS=
DB_NAME=userdb
$ npm install
$ yarn run start
$ docker compose up -d