fixed sql expression

fixed scheduler configuration

added metrics for calculating the number of vacancies

added metrics for calculating the number of vacancies

A custom metric has been added to the actuator

metrics for calculating the number of vacancies have been removed

A custom metric has been added to the actuator

A custom metric has been added to the actuator

added unit tests of registration method

changed returned type of registration method to User

update README.md

added port configuration to application-prod.yaml

updated Jenkinsfile

updated Jenkinsfile

added Jenkinsfile

changed docker image from mail-server.yaml

added port configuration to application-prod.yaml

updated Jenkinsfile

updated Jenkinsfile

added Jenkinsfile

changed docker image from consumer-server.yaml

updated Jenkinsfile

updated Jenkinsfile

added Jenkinsfile

changed image from auth-server.yaml

added port configuration

updated Jenkinsfile

updated Jenkinsfile

updated Jenkinsfile

updated Jenkinsfile

update README.md

mail-server moved to a separate repository

consumer-server moved to a separate repository

auth-server moved to a separate repository

refactored code

api-gateway moved to a separate repository