Create specific Dockerfiles for Minecraft setups

- Decompose Dockerfile into modular components
- Establish building JRE and JDK images from Docker.java
- Establish Dockerfile.vanilla for vanilla server setup
- Establish Dockerfile.bukkit for Spigot and CraftBukkit
- Establish a comprehensive Makefile for building and managing
- Add docker-compose.build.yml for streamlined image construction
- Use docker-compose.yml to test built images without a volume

docker-compose.yml

@@ -1,12 +1,6 @@
 services:
   minecraft:
-    build:
-      context: .
-      dockerfile: Dockerfile
-      args:
-        VERSION: ${VERSION:-latest}
-        JAVA_VERSION: ${JAVA_VERSION:-latest}
-    image: ${IMAGE:-minecraft}:${TAG:-latest}
+    image: ${IMAGE:-localhost/minecraft}:${TAG:-latest}
     ports:
       - "0.0.0.0:25565:25565"
     environment: