keycloak

Open Source Identity and Access Management.
https://www.keycloak.org/
Steps setup realm

   1 wget https://github.com/keycloak/keycloak/releases/download/14.0.0/keycloak-14.0.0.zip
   2 unzip -t keycloak-14.0.0.zip
   3 unzip keycloak-14.0.0.zip
   4 cd ~/keycloak-14.0.0/bin
   5 sh standalone.sh 
   6 http://localhost:8080/auth
   7 # admin admin admin create 
   8 # http://localhost:8080/auth/admin/master/console/#/realms/master
   9 # Master, add realm, MyRealm , create 
  10 # Users, add user, myuser
  11 # select user, credentials, mypwd mypwd, temporary off 
  12 # Add role USER to MyRealm
  13 # Make user myuser have role USER
  14 # signout
  15 # http://localhost:8080/auth/realms/MyRealm/account/
  16 # realm: MyRealm
  17 # user pwd: myuser mypwd
  18 # client id: curl_confidential
  19 # protocol: openid-connect
  20 # Curl_confidential  settings: access-type confidential
  21 # valid redirect url http://localhost:8080
  22 # tab credentials: regenerate secret 6dfe5f84-d115-4d3e-8a56-a0fcf5b2f13e
  23 curl -d 'client_id=curl_confidential' -d 'client_secret=6dfe5f84-d115-4d3e-8a56-a0fcf5b2f13e' -d 'username=myuser' -d 'password=mypwd' -d 'grant_type=password' 'http://localhost:8080/auth/realms/MyRealm/protocol/openid-connect/token'