fixing optional values

Author: minkowp

pom.xml

@@ -6,7 +6,7 @@
 
 	<groupId>pl.piomin</groupId>
 	<artifactId>spring-boot-logging</artifactId>
-	<version>1.0.0.RELEASE</version>
+	<version>1.1-SNAPSHOT</version>
 
 	<properties>
 		<java.version>11</java.version>

src/main/java/pl/piomin/logging/config/SpringLoggingAutoConfiguration.java

@@ -29,9 +29,9 @@ public class SpringLoggingAutoConfiguration {
 	String url;
 	@Value("${spring.application.name:-}")
 	String name;
-	@Value("${spring.logstash.ssl.trustStoreLocation}")
+	@Value("${spring.logstash.ssl.trustStoreLocation:#{null}}")
 	Optional<String> trustStoreLocation;
-	@Value("${spring.logstash.ssl.trustStorePassword}")
+	@Value("${spring.logstash.ssl.trustStorePassword:#{null}}")
 	Optional<String> trustStorePassword;
 
 	@Bean