Switch from Gradle to Maven (#69)

Author: henryx

.github/workflows/gradle.yml renamed to .github/workflows/ci.yml

@@ -36,11 +36,9 @@ jobs:
           - latest
         os:
         - ubuntu-latest
-        - windows-latest
-        include:
-          # TODO(casz) remove once https://github.com/testcontainers/testcontainers-java/pull/1780 is available
-          - os: 'ubuntu-latest'
-            tasks: 'integrationTest'
+        # TODO: We disable Windows because testcontainers doesn't support runs in containers
+        #       (see https://github.com/testcontainers/testcontainers-java/pull/1780)
+        # - windows-latest
 
     steps:
       - name: Checkout code
@@ -52,14 +50,8 @@ jobs:
           java-version: ${{ matrix.java }}
           distribution: temurin
 
-      - name: Build with Gradle
-        uses: gradle/gradle-build-action@v2
-        with:
-          arguments: |
-            build
-            ${{ matrix.tasks }}
-            -s
-            --info
+      - name: Build with Maven
+        run: mvn --batch-mode --update-snapshots verify
         env:
           VAULT_VERSION: ${{ matrix.vault }}
 

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,3 @@
+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.zip