Added documentation

Author: smoell

apps/unicorn-store-spring/src/main/java/com/unicorn/store/config/MonitoringConfig.java

@@ -140,10 +140,10 @@ private Optional<String> getContainerOrPodIp() {
 
                 JsonNode root = OBJECT_MAPPER.readTree(response.body());
 
-                if (root.has("Networks") && root.path("Networks").isArray() && root.path("Networks").size() > 0) {
+                if (root.has("Networks") && root.path("Networks").isArray() && !root.path("Networks").isEmpty()) {
                     JsonNode network = root.path("Networks").get(0);
                     if (network.has("IPv4Addresses") && network.path("IPv4Addresses").isArray() &&
-                            network.path("IPv4Addresses").size() > 0) {
+                            !network.path("IPv4Addresses").isEmpty()) {
                         return Optional.of(network.path("IPv4Addresses").get(0).asText());
                     }
                 }

apps/unicorn-store-spring/src/main/resources/application.properties

@@ -7,6 +7,7 @@ spring.jpa.open-in-view=false
 spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false
 spring.jpa.hibernate.ddl-auto=none
 
+spring.datasource.hikari.initialization-fail-timeout=0
 spring.datasource.hikari.maximumPoolSize=1
 spring.datasource.hikari.allow-pool-suspension=true
 spring.datasource.hikari.data-source-properties.preparedStatementCacheQueries=0