Add a workaround to load DB Enc PW from System Property (#286)

src/main/java/eu/interop/federationgateway/config/EfgsProperties.java

@@ -21,6 +21,7 @@
 package eu.interop.federationgateway.config;
 
 import java.util.List;
+import javax.annotation.PostConstruct;
 import lombok.Getter;
 import lombok.Setter;
 import org.springframework.boot.context.properties.ConfigurationProperties;
@@ -30,6 +31,8 @@
 @ConfigurationProperties("efgs")
 public class EfgsProperties {
 
+  private static final String PASSWORD_PROPERTY_NAME = "efgs_dbencryption_password";
+
   private final ContentNegotiation contentNegotiation = new ContentNegotiation();
   private final UploadSettings uploadSettings = new UploadSettings();
   private final DownloadSettings downloadSettings = new DownloadSettings();
@@ -113,4 +116,14 @@ public static class HeaderFields {
   public static class DbEncryption {
     private String password;
   }
+
+  /**
+   * Workaround to load DB Encryption Password from System Property until environment is setup correctly.
+   */
+  @PostConstruct
+  public void workaround() {
+    if (System.getProperties().containsKey(PASSWORD_PROPERTY_NAME)) {
+      dbEncryption.setPassword(System.getProperty(PASSWORD_PROPERTY_NAME));
+    }
+  }
 }