bug fix for issue #13183 - replace the "pre" section with "initContainers" so as to check the readiness of database server/service. Same logic as the k8s sub-generator.
bug fix for issue #13183 - replace the "pre" section with "initContainers" so as to check the readiness of database server/service. Same logic as the k8s sub-generator.

jhipster/generator-jhipster,dynamicguy/generator-jhipster,mraible/generator-jhipster,ctamisier/generator-jhipster,dynamicguy/generator-jhipster,liseri/generator-jhipster,atomfrede/generator-jhipster,vivekmore/generator-jhipster,ruddell/generator-jhipster,ctamisier/generator-jhipster,ctamisier/generator-jhipster,ruddell/generator-jhipster,vivekmore/generator-jhipster,jhipster/generator-jhipster,jhipster/generator-jhipster,ctamisier/generator-jhipster,vivekmore/generator-jhipster,jhipster/generator-jhipster,liseri/generator-jhipster,jhipster/generator-jhipster,pascalgrimaud/generator-jhipster,vivekmore/generator-jhipster,pascalgrimaud/generator-jhipster,gmarziou/generator-jhipster,atomfrede/generator-jhipster,vivekmore/generator-jhipster,gmarziou/generator-jhipster,ctamisier/generator-jhipster,mraible/generator-jhipster,pascalgrimaud/generator-jhipster,liseri/generator-jhipster,gmarziou/generator-jhipster,pascalgrimaud/generator-jhipster,dynamicguy/generator-jhipster,liseri/generator-jhipster,gmarziou/generator-jhipster,mraible/generator-jhipster,ruddell/generator-jhipster,atomfrede/generator-jhipster,pascalgrimaud/generator-jhipster,mraible/generator-jhipster,mraible/generator-jhipster,atomfrede/generator-jhipster,gmarziou/generator-jhipster,dynamicguy/generator-jhipster,ruddell/generator-jhipster,ruddell/generator-jhipster,atomfrede/generator-jhipster,liseri/generator-jhipster