cleanup and amend docker resource limits

etc/docker-compose.yml

@@ -20,8 +20,8 @@ services:
     deploy:
       resources:
         limits:
-          cpus: '4'
-          memory: 4G
-        reservations:
           cpus: '2'
+          memory: 8G
+        reservations:
+          cpus: '1'
           memory: 2G

src/main/java/net/hostsharing/hsadminng/hs/validation/PropertiesProvider.java

@@ -5,7 +5,7 @@ import net.hostsharing.hsadminng.mapper.PatchableMapWrapper;
 public interface PropertiesProvider {
 
     boolean isLoaded();
-    PatchableMapWrapper directProps();
+    PatchableMapWrapper<Object> directProps();
     Object getContextValue(final String propName);
 
     default <T> T getDirectValue(final String propName, final Class<T> clazz) {

src/main/java/net/hostsharing/hsadminng/hs/validation/ValidatableProperty.java

@@ -100,7 +100,6 @@ public abstract class ValidatableProperty<P extends ValidatableProperty<?, ?>, T
 
     public P writeOnly() {
         this.writeOnly = true;
-        optional(); // FIXME: sounds wrong
         return self();
     }
 
@@ -260,11 +259,16 @@ public abstract class ValidatableProperty<P extends ValidatableProperty<?, ?>, T
     }
 
     public void verifyConsistency(final Map.Entry<? extends Enum<?>, ?> typeDef) {
-        if (required == null && requiresAtLeastOneOf == null && requiresAtMaxOneOf == null && !readOnly && defaultValue == null) {
+        if (isSpecPotentiallyComplete()) {
             throw new IllegalStateException(typeDef.getKey() + "[" + propertyName + "] not fully initialized, please call either .readOnly(), .required(), .optional(), .withDefault(...), .requiresAtLeastOneOf(...) or .requiresAtMaxOneOf(...)" );
         }
     }
 
+    private boolean isSpecPotentiallyComplete() {
+        return required == null && requiresAtLeastOneOf == null && requiresAtMaxOneOf == null && !readOnly && !writeOnly
+                && defaultValue == null;
+    }
+
     @SuppressWarnings("unchecked")
     public T getValue(final Map<String, Object> propValues) {
         return (T) Optional.ofNullable(propValues.get(propertyName)).orElse(defaultValue);