switch to configmap model

Dockerfile

@@ -1,7 +1,6 @@
 FROM openjdk:8-slim
 
-WORKDIR /mc_server
-COPY ./server .
+COPY server.jar /server.jar
 
 RUN groupadd -r minecraft && useradd --no-log-init -r -g minecraft minecraft
 WORKDIR /mc_data
@@ -9,5 +8,4 @@ RUN chown -R minecraft:minecraft .
 
 USER minecraft
 # Copy files only if they don't yet exist (server.jar, server.properties, etc) and start the server
-CMD cp -r /mc_server/. . && \
-java -server -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads="$THREADS" -XX:+AggressiveOpts -Xmx"$MAX_RAM"G -Xms"$MIN_RAM"G -jar server.jar nogui
+CMD java -server -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads="$THREADS" -XX:+AggressiveOpts -Xmx"$MAX_RAM"G -Xms"$MIN_RAM"G -jar /server.jar nogui

build.sh

@@ -1,3 +0,0 @@
-docker-compose build mc
-docker-compose push mc
-kubectl apply -f k8s/

docker-compose.yaml

@@ -3,15 +3,4 @@ version: '3'
 services:
   minecraft:
     build: .
-    ports:
-      - 25565:25565
-    volumes:
-      - ./data:/mc_data
-    tty: true
-    stdin_open: true
-    restart: always
-    environment: 
-      - MAX_RAM=2
-      - MIN_RAM=1
-      - THREADS=2
-    user: minecraft
+    image: hub.ducoterra.net/ducoterra/minecraft:1.16.1_2

helm/templates/configmap.yaml

@@ -0,0 +1,46 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}
+data:
+  eula.txt: |
+    eula=true
+  server.properties: |
+    # if you see this it worked v2 boogaloo!
+    max-tick-time=60000
+    generator-settings=
+    force-gamemode=false
+    allow-nether=true
+    gamemode=0
+    broadcast-console-to-ops=true
+    enable-query=false
+    player-idle-timeout=0
+    difficulty=3
+    spawn-monsters=true
+    op-permission-level=4
+    pvp=true
+    snooper-enabled=true
+    level-type=amplified
+    hardcore=false
+    enable-command-block=false
+    max-players=20
+    network-compression-threshold=256
+    resource-pack-sha1=
+    max-world-size=29999984
+    server-port=25565
+    server-ip=
+    spawn-npcs=true
+    allow-flight=true
+    level-name=world
+    view-distance=32
+    resource-pack=
+    spawn-animals=true
+    white-list=true
+    generate-structures=true
+    online-mode=true
+    max-build-height=512
+    level-seed=
+    prevent-proxy-connections=false
+    use-native-transport=true
+    motd=This is gonna be interesting
+    enable-rcon=false

helm/templates/deploy.yaml

@@ -19,6 +19,12 @@ spec:
         volumeMounts:
         - mountPath: /mc_data
           name: data
+        - name: properties
+          mountPath: /mc_data/server.properties
+          subPath: server.properties
+        - name: properties
+          mountPath: /mc_data/eula.txt
+          subPath: eula.txt
         tty: true
         stdin: true
         env:
@@ -33,9 +39,12 @@ spec:
             memory: "2Gi"
             cpu: 250m
           limits:
-            memory: "4Gi"
+            memory: "8Gi"
             cpu: "4"
       volumes:
       - name: data
         persistentVolumeClaim:
           claimName: {{ .Release.Name }}
+      - name: properties
+        configMap:
+          name: {{ .Release.Name }}

helm/values.yaml

@@ -1,3 +1 @@
 image: hub.ducoterra.net/ducoterra/minecraft
-# tag: 1.16.1
-# port: 25565

server/eula.txt

@@ -1 +0,0 @@
-eula=true

server/server.properties

@@ -1,39 +0,0 @@
-#Minecraft server properties
-#Thu Jan 02 01:15:23 UTC 2020
-max-tick-time=60000
-generator-settings=
-force-gamemode=false
-allow-nether=true
-gamemode=0
-broadcast-console-to-ops=true
-enable-query=false
-player-idle-timeout=0
-difficulty=3
-spawn-monsters=true
-op-permission-level=4
-pvp=true
-snooper-enabled=true
-level-type=amplified
-hardcore=false
-enable-command-block=false
-max-players=20
-network-compression-threshold=256
-resource-pack-sha1=
-max-world-size=29999984
-server-port=25565
-server-ip=
-spawn-npcs=true
-allow-flight=true
-level-name=world
-view-distance=32
-resource-pack=
-spawn-animals=true
-white-list=true
-generate-structures=true
-online-mode=true
-max-build-height=512
-level-seed=
-prevent-proxy-connections=false
-use-native-transport=true
-motd=This is gonna be interesting
-enable-rcon=false

servers.md

@@ -3,17 +3,17 @@
 ## Minecraft
 
 ```bash
-helm install minecraft ./helm --set tag=1.15.2_7 --set port=25565
+helm upgrade --install minecraft ./helm --set tag=1.15.2_7 --set port=25565
 ```
 
 ## Pubcraft
 
 ```bash
-helm install pubcraft ./helm --set tag=1.15.2_7 --set port=20100
+helm upgrade --install pubcraft ./helm --set tag=1.15.2_7 --set port=20100
 ```
 
 ## TestCraft
 
 ```bash
-helm install testcraft ./helm --set tag=1.16.1 --set port=25566
+helm upgrade --install testcraft ./helm --set tag=1.16.1_2 --set port=25566
 ```