From c47bef40cc3b01d0dac1941b9be9ce7229d40af9 Mon Sep 17 00:00:00 2001
From: terminaldweller <thabogre@gmail.com>
Date: Sat, 26 Feb 2022 20:52:03 +0330
Subject: a working dockerfile

---
 Dockerfile                                         | 17 +++++++++----
 build.gradle.kts                                   | 28 ++++++++++++++--------
 docker-compose.yaml                                | 15 ++++++++----
 .../com/terminaldweller/main/MainApplication.java  |  2 +-
 4 files changed, 43 insertions(+), 19 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 03628b8..a421feb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,13 @@
-FROM openjdk:11-jdk-alpine
-ARG JAR_FILE=./build/libs/src.jar
-COPY ${JAR_FILE} src.jar
-ENTRYPOINT ["java", "-jar", "/src.jar"]
+FROM gradle:7.3.3-jdk11-alpine AS builder
+WORKDIR /home/springapp
+COPY --chown=gradle:gradle ./gradlew /home/springapp/
+COPY --chown=gradle:gradle ./settings.gradle.kts /home/springapp/
+COPY --chown=gradle:gradle ./build.gradle.kts /home/springapp/
+RUN gradle wrapper --no-daemon
+COPY --chown=gradle:gradle ./src /home/springapp/src
+RUN gradle bootJar --no-daemon
+
+FROM eclipse-temurin:11-jre-alpine
+WORKDIR /springapp
+COPY --from=builder /home/springapp/build/libs/src.jar ./src.jar
+ENTRYPOINT ["java", "-jar", "/springapp/src.jar"]
diff --git a/build.gradle.kts b/build.gradle.kts
index 4fb985e..d08e6f6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -12,22 +12,30 @@ repositories {
 }
 
 dependencies {
-  implementation("org.springframework.boot:spring-boot-starter-data-jdbc")
+  // implementation("org.springframework.boot:spring-boot-starter-data-jdbc")
   implementation("org.springframework.boot:spring-boot-starter-web")
-  runtimeOnly("org.postgresql:postgresql")
+  // runtimeOnly("org.postgresql:postgresql")
   testImplementation("org.springframework.boot:spring-boot-starter-test")
 }
 
-tasks.create("FatJar", Jar::class) {
-  description = "makes a fatjar"
-  group = "build"
-  manifest.attributes["Main-Class"] = "com.terminaldweller.MainApplication"
-  duplicatesStrategy = DuplicatesStrategy.EXCLUDE
-  val dependencies = configurations.runtimeClasspath.get().map(::zipTree)
-  from(dependencies)
-  with(tasks.jar.get())
+// tasks.create("FatJar", Jar::class) {
+//   description = "makes a fatjar"
+//   group = "build"
+//   manifest.attributes["Main-Class"] = "com.terminaldweller.MainApplication"
+//   duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+//   val dependencies = configurations.runtimeClasspath.get().map(::zipTree)
+//   from(dependencies)
+//   with(tasks.jar.get())
+// }
+
+springBoot {
+  mainClass.set("com.terminaldweller.MainApplication")
 }
 
+// application {
+//   mainClass.set("com.terminaldweller.MainApplication")
+// }
+
 sourceSets {
   main {
     java {
diff --git a/docker-compose.yaml b/docker-compose.yaml
index f3c7718..f92cc94 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,10 +1,19 @@
 version: "3"
 services:
   server:
+    image: spring
+    build:
+      context: .
+    ports:
+      - "9080:8080"
+    networks:
+      - springnet
+    cap_drop:
+      - ALL
   postgres:
     image: postgres:14-alpine
     networks:
-      - dbnet
+      - springnet
     volumes:
       - db-data:/var/lib/postgresql/14/
     ports:
@@ -19,10 +28,8 @@ services:
       - pg_user_secret
       - pg_initdb_args_secret
       - pg_db_secret
-    cap_drop:
-      - ALL
 networks:
-  dbnet:
+  springnet:
 volumes:
   db-data:
 secrets:
diff --git a/src/main/java/com/terminaldweller/main/MainApplication.java b/src/main/java/com/terminaldweller/main/MainApplication.java
index 3738769..c577139 100644
--- a/src/main/java/com/terminaldweller/main/MainApplication.java
+++ b/src/main/java/com/terminaldweller/main/MainApplication.java
@@ -1,4 +1,4 @@
-package com.terminaldweller.main;
+package com.terminaldweller;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-- 
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