Convert a jks to crt format

keytool -importkeystore -srckeystore <my-certificate-name>.jks -destkeystore <my-certificate-name>.p12 -deststoretype PKCS12

openssl pkcs12 -in <my-certificate-name>.p12 -nokeys -out <my-certificate-name>.crt

openssl pkcs12 -in <my-certificate-name>.p12 -nocerts -nodes -out <my-certificate-name>.key

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