chore: update Docker image references to openprojectx/kerby-kdc across project

- Replaced all occurrences of `apache/kerby-kdc` with `openprojectx/kerby-kdc` in configuration, documentation, and code.
- Added `krb5.conf` for KDC realm configuration.

Author: CoderYellow

README.md

@@ -71,7 +71,7 @@ test coverage.
 Build the image from the current checkout:
 
 ```bash
-mvn -Pdist,docker -DskipTests -Ddocker.image.name=apache/kerby-kdc \
+mvn -Pdist,docker -DskipTests -Ddocker.image.name=openprojectx/kerby-kdc \
     -Ddocker.image.tag.sha=test -pl kerby-dist/docker -am package
 ```
 

kerby-dist/docker/README.md

@@ -6,7 +6,7 @@ checkout. Build from the repository root with `-am` so Maven builds the local
 
 ```bash
 mvn -Dmaven.repo.local=/home/coder/.m2/repository -Pdist,docker -DskipTests \
-  -Ddocker.image.name=apache/kerby-kdc \
+  -Ddocker.image.name=openprojectx/kerby-kdc \
   -Ddocker.image.tag.sha=test \
   -pl kerby-dist/docker -am package
 ```

kerby-dist/docker/docker-compose.yml

@@ -16,7 +16,7 @@
 
 services:
   kerby-kdc:
-    image: apache/kerby-kdc:latest
+    image: openprojectx/kerby-kdc:latest
     container_name: kerby-kdc
     ports:
       - "88:88/tcp"

kerby-dist/docker/krb5.conf

@@ -0,0 +1,15 @@
+[libdefaults]
+    default_realm = EXAMPLE.COM
+    dns_lookup_kdc = false
+    dns_lookup_realm = false
+    rdns = false
+    udp_preference_limit = 1
+
+[realms]
+    EXAMPLE.COM = {
+        kdc = 127.0.0.1:88
+    }
+
+[domain_realm]
+    .example.com = EXAMPLE.COM
+    example.com = EXAMPLE.COM

kerby-dist/docker/pom.xml

@@ -27,7 +27,7 @@
   <packaging>pom</packaging>
 
   <properties>
-    <docker.image.name>apache/kerby-kdc</docker.image.name>
+    <docker.image.name>openprojectx/kerby-kdc</docker.image.name>
     <docker.image.tag.latest>latest</docker.image.tag.latest>
     <docker.image.tag.sha>dev</docker.image.tag.sha>
     <docker.context.directory>${project.build.directory}/docker-context</docker.context.directory>

kerby-testcontainers/README.md

@@ -7,7 +7,7 @@ Build the image locally:
 
 ```bash
 mvn -Dmaven.repo.local=/home/coder/.m2/repository -Pdist,docker -DskipTests \
-  -Ddocker.image.name=apache/kerby-kdc \
+  -Ddocker.image.name=openprojectx/kerby-kdc \
   -Ddocker.image.tag.sha=test \
   -pl kerby-dist/docker -am package
 ```
@@ -24,7 +24,7 @@ Run the end-to-end Testcontainers test:
 mvn -Dmaven.repo.local=/home/coder/.m2/repository -pl kerby-testcontainers -am \
   -Dtest=KerbyKdcContainerE2ETest \
   -Dsurefire.failIfNoSpecifiedTests=false \
-  -Dkerby.testcontainers.image=apache/kerby-kdc:latest \
+  -Dkerby.testcontainers.image=openprojectx/kerby-kdc:latest \
   test
 ```
 

kerby-testcontainers/src/main/java/org/apache/kerby/testcontainers/KerbyKdcContainer.java

@@ -32,7 +32,7 @@
  */
 public class KerbyKdcContainer extends GenericContainer<KerbyKdcContainer> {
     public static final DockerImageName DEFAULT_IMAGE_NAME =
-        DockerImageName.parse("apache/kerby-kdc:latest");
+        DockerImageName.parse("openprojectx/kerby-kdc:latest");
     public static final int KDC_PORT = 88;
     public static final String DEFAULT_REALM = "EXAMPLE.COM";
     public static final String DEFAULT_CLIENT_PRINCIPAL = "client";