Simplify maven build cache and fix repository configuration for Artif…

…act Registry. (#28)

.github/workflows/build.yml

@@ -23,6 +23,7 @@ jobs:
         with:
           java-version: 21
           distribution: zulu
+          cache: maven
 
       - name: Authenticate to Google Cloud
         id: auth
@@ -32,13 +33,6 @@ jobs:
           service_account: "gh-actions-dapla-pseudo@artifact-registry-5n.iam.gserviceaccount.com"
           token_format: access_token
 
-      - name: Cache Maven packages
-        uses: actions/cache@v3
-        with:
-          path: ~/.m2
-          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
-          restore-keys: ${{ runner.os }}-m2
-
       - name: Build with Maven and deploy to Artifact Registry
         run: mvn --batch-mode -P ssb-bip deploy
 

pom.xml

@@ -49,33 +49,24 @@
 
   <repositories>
     <repository>
-      <id>artifact-registry</id>
-      <url>${artifact-registry.url}</url>
-      <releases>
-        <enabled>true</enabled>
-      </releases>
-      <snapshots>
-        <enabled>false</enabled>
-      </snapshots>
+      <id>central</id>
+      <url>https://repo.maven.apache.org/maven2</url>
     </repository>
     <repository>
-      <id>artifact-registry-snapshot</id>
+      <id>jcenter.bintray.com</id>
+      <url>https://jcenter.bintray.com</url>
+    </repository>
+    <repository>
+      <id>artifact-registry</id>
       <url>${artifact-registry.url}</url>
       <releases>
-        <enabled>false</enabled>
+        <enabled>true</enabled>
+        <updatePolicy>always</updatePolicy>
       </releases>
       <snapshots>
         <enabled>true</enabled>
       </snapshots>
     </repository>
-    <repository>
-      <id>central</id>
-      <url>https://repo.maven.apache.org/maven2</url>
-    </repository>
-    <repository>
-      <id>jcenter.bintray.com</id>
-      <url>https://jcenter.bintray.com</url>
-    </repository>
   </repositories>
 
   <dependencyManagement>