updated Dockerfile for JDK25 - rearranged to leverage caching

Author: student

migration/stocks-api/Dockerfile

@@ -1,17 +1,23 @@
 FROM amazoncorretto:25 AS builder
 
+WORKDIR /app
+
 RUN yum install -y maven tree && yum clean all
 
-COPY src ./src
-COPY pom.xml .
+COPY ./pom.xml ./pom.xml
+
+# fetch all dependencies
+RUN mvn dependency:go-offline -B
+
+COPY ./src ./src
+
 RUN mvn -B clean package spring-boot:repackage
-RUN tree
 
 FROM amazoncorretto:25-alpine
 
 RUN mkdir -p /cloudacademy/app
 WORKDIR /cloudacademy/app
-COPY --from=builder target/stocks-*.jar ./stocks-api.jar
+COPY --from=builder /app/target/stocks-*.jar ./stocks-api.jar
 RUN chown -R 1001:1001 /cloudacademy/app && chmod -R 755 /cloudacademy/app
 
 USER 1001