liquibase upgrade (#993)

pom.xml

@@ -309,15 +309,10 @@
 			<artifactId>dropwizard-hibernate</artifactId>
 			<version>${dropwizard.version}</version>
 		</dependency>
-		<dependency>
-			<groupId>io.dropwizard</groupId>
-			<artifactId>dropwizard-migrations</artifactId>
-			<version>${dropwizard.version}</version>
-		</dependency>
 		<dependency>
 			<groupId>org.liquibase</groupId>
 			<artifactId>liquibase-core</artifactId>
-			<version>3.6.3</version>
+			<version>4.9.0</version>
 		</dependency>
 		<dependency>
 			<groupId>io.dropwizard</groupId>
@@ -509,7 +504,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>8.0.22</version>
+			<version>8.0.28</version>
 		</dependency>
 		<dependency>
 			<groupId>org.postgresql</groupId>

src/main/java/com/commafeed/CommaFeedApplication.java

@@ -57,7 +57,6 @@
 import io.dropwizard.db.DataSourceFactory;
 import io.dropwizard.forms.MultiPartBundle;
 import io.dropwizard.hibernate.HibernateBundle;
-import io.dropwizard.migrations.MigrationsBundle;
 import io.dropwizard.server.DefaultServerFactory;
 import io.dropwizard.servlets.CacheBustingFilter;
 import io.dropwizard.setup.Bootstrap;
@@ -97,13 +96,6 @@ public DataSourceFactory getDataSourceFactory(CommaFeedConfiguration configurati
 			}
 		});
 
-		bootstrap.addBundle(new MigrationsBundle<CommaFeedConfiguration>() {
-			@Override
-			public DataSourceFactory getDataSourceFactory(CommaFeedConfiguration configuration) {
-				return configuration.getDataSourceFactory();
-			}
-		});
-
 		bootstrap.addBundle(new AssetsBundle("/assets/", "/", "index.html"));
 		bootstrap.addBundle(new MultiPartBundle());
 	}

src/main/java/com/commafeed/backend/service/StartupService.java

@@ -41,7 +41,7 @@ public void start() throws Exception {
 		updateSchema();
 		long count = UnitOfWork.call(sessionFactory, () -> userDAO.count());
 		if (count == 0) {
-			UnitOfWork.run(sessionFactory, () -> initialData());
+			UnitOfWork.run(sessionFactory, this::initialData);
 		}
 	}
 
@@ -63,8 +63,9 @@ public String escapeObjectName(String objectName, Class<? extends DatabaseObject
 				}
 
 				ResourceAccessor accessor = new ClassLoaderResourceAccessor(Thread.currentThread().getContextClassLoader());
-				Liquibase liq = new Liquibase("migrations.xml", accessor, database);
-				liq.update("prod");
+				try (Liquibase liq = new Liquibase("migrations.xml", accessor, database)) {
+					liq.update("prod");
+				}
 
 			} catch (Exception e) {
 				throw new RuntimeException(e);