change build tool from Gradle to Maven

Author: emmysteven

.mvn/wrapper/maven-wrapper.jar

@@ -0,0 +1,3 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.4/apache-maven-3.9.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar
+

.mvn/wrapper/maven-wrapper.properties

@@ -1,12 +1,11 @@
 # Build stage
-FROM gradle:8-alpine@sha256:2c45bb3c3076531fa7dccc97db01c605c5332de411079d9cd38d1d1552b24e09 AS build
+FROM maven:3.9.5-eclipse-temurin-21-alpine@sha256:7b4c4ff7e066658ade018542494add4db8b871aebb0aeedd0cf016f75c36084b AS build
 LABEL maintainer="codaholic.com"
 WORKDIR /app
-COPY build.gradle .
-COPY settings.gradle .
+COPY pom.xml .
 COPY src src
 
-RUN --mount=type=cache,target=/root/.m2 gradle build --no-daemon -x test
+RUN --mount=type=cache,target=/root/.m2 mvn install -Dmaven.test.skip=true
 RUN mkdir -p target/deps && (cd target/deps; jar -xf ../libs/*-0.0.1.jar)
 
 # Package stage
@@ -23,4 +22,4 @@ COPY --from=build ${DEPS}/BOOT-INF/classes /app
 RUN chown -R javauser:javauser /app
 USER javauser
 EXPOSE 8080
-ENTRYPOINT ["dumb-init", "java","-cp","app:app/lib/*","codaholic.configa.Application"]
+ENTRYPOINT ["dumb-init", "java", "-cp", "app:app/lib/*", "configa.Application"]