JHipster mySQL in development
<p>I want to use mySQL in development mode with JHipster 3.4.2. 
I generated the app with the generator and installed docker and docker-compose. When start the <code>docker-compose -f src/main/docker/mysql.yml up</code> and run the app with <code>./mvnw</code> I get the stack trace:</p>

<pre><code>com.zaxxer.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
    at com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:528)
    at com.zaxxer.hikari.pool.HikariPool.&lt;init&gt;(HikariPool.java:118)
    at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:94)
    at liquibase.integration.spring.SpringLiquibase.afterPropertiesSet(SpringLiquibase.java:388)
    at eu.biasion.nbmf.config.liquibase.AsyncSpringLiquibase.initDb(AsyncSpringLiquibase.java:66)
    at eu.biasion.nbmf.config.liquibase.AsyncSpringLiquibase.lambda$afterPropertiesSet$0(AsyncSpringLiquibase.java:49)
    at eu.biasion.nbmf.async.ExceptionHandlingAsyncTaskExecutor.lambda$createWrappedRunnable$17(ExceptionHandlingAsyncTaskExecutor.java:47)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
</code></pre>

<p>I did not find guide about using mySQL with Jhipster in development mode. I am very thankful for any advice.</p>