major changes

Dockerfile

@@ -1,21 +1,25 @@
-# Stage 1: Build Spring Boot app
-FROM maven:3.9.6-eclipse-temurin-17 AS build
+# Use Maven + JDK 17 image for building
+FROM maven:3.9.3-eclipse-temurin-17 AS build
+
 WORKDIR /app
 
-# Copy pom.xml and Java files
+# Copy pom and java files
 COPY pom.xml .
-COPY *.java ./
+COPY src ./src
 
-# Build the JAR
+# Build the jar
 RUN mvn clean package -DskipTests
 
-# Stage 2: Run Spring Boot
-FROM openjdk:17-jdk-slim
+# Use smaller JDK image for runtime
+FROM eclipse-temurin:17-jdk-jammy
+
 WORKDIR /app
 
-# Copy the JAR from build stage
-COPY --from=build /app/target/*.jar app.jar
+# Copy jar from build stage
+COPY --from=build /app/target/demo-0.0.1-SNAPSHOT.jar app.jar
 
-EXPOSE 7860
+# Expose default Spring Boot port
+EXPOSE 8080
 
-ENTRYPOINT ["java","-jar","app.jar","--server.port=7860"]
+# Run the jar
+ENTRYPOINT ["java","-jar","app.jar"]

User.java

@@ -1,15 +0,0 @@
-public class User {
-    private String name;
-    private int age;
-
-    public User(String name, int age) {
-        this.name = name;
-        this.age = age;
-    }
-
-    public String getName() { return name; }
-    public int getAge() { return age; }
-
-    public void setName(String name) { this.name = name; }
-    public void setAge(int age) { this.age = age; }
-}

pom.xml

@@ -1,42 +1,67 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
-                             http://maven.apache.org/xsd/maven-4.0.0.xsd">
-
+         http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>com.example</groupId>
-    <artifactId>springboot-hf</artifactId>
+    <artifactId>demo</artifactId>
     <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>demo</name>
+    <description>Spring Boot app for Supabase</description>
 
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
         <version>3.2.5</version>
+        <relativePath/>
     </parent>
 
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
     <dependencies>
         <!-- Spring Boot Web -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
+
+        <!-- Spring Data JPA -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
+        <!-- PostgreSQL driver (for Supabase) -->
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- Optional: Lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
-        <!-- Look for Java files in root folder -->
-        <sourceDirectory>${basedir}</sourceDirectory>
-
         <plugins>
-            <!-- Spring Boot Maven Plugin -->
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>3.2.5</version>
-                <configuration>
-                    <!-- Specify main class -->
-                    <mainClass>DemoApplication</mainClass>
-                </configuration>
             </plugin>
         </plugins>
     </build>

DemoApplication.java → src/main/java/com/example/demo/DemoApplication.java

@@ -1,18 +1,12 @@
+package com.example.demo;
+
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
 
 @SpringBootApplication
-@RestController
 public class DemoApplication {
 
     public static void main(String[] args) {
         SpringApplication.run(DemoApplication.class, args);
     }
-
-    @GetMapping("/user")
-    public User getUser() {
-        return new User("Kevan", 21);
-    }
 }

src/main/java/com/example/demo/User.java

@@ -0,0 +1,32 @@
+package com.example.demo;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+@Entity
+public class User {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String name;
+    private String email;
+
+    // Constructors
+    public User() {}
+    public User(String name, String email) {
+        this.name = name;
+        this.email = email;
+    }
+
+    // Getters and setters
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+    public String getEmail() { return email; }
+    public void setEmail(String email) { this.email = email; }
+}