homelab/k8s/games/minecraft/deployments.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
  namespace: minecraft
data:
  nginx.conf: |
    user  nginx;
    worker_processes  1;
    error_log /var/log/nginx/error.log warn;
    pid /var/run/nginx.pid;

    events {
      worker_connections  1024;
    }

    http {
      include       /etc/nginx/mime.types;
      default_type  application/octet-stream;

      server {
        listen 80;

        location / {
          proxy_pass http://localhost:8123;
          sub_filter 'Minecraft Dynamic Map' "Hexor's MC server";
          sub_filter "</body>" '<p style="background-color: #CEC6CB; color: black; padding: 10px 10px; text-align: center; font-size: large; text-decoration: none; display: inline-block; border-radius: 4px; position: absolute; top: 10px; left: 150px;">Get <a href="https://github.com/PrismLauncher/PrismLauncher/releases/tag/8.4" >Prism Launcher</a> and <a href="/clients/1.12.2.zip" >client.zip</a> for this server. Server address <b>minecraft.hexor.cy:30565</b></p></body>';
          sub_filter_once off;
        }

        location /clients/ {
            alias /mc/clients/;
            sendfile on;
            add_header Content-Disposition "attachment";
            autoindex on; 

            gzip off;
            chunked_transfer_encoding off;
        }
      }
    }

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: minecraft
  namespace: minecraft
  labels:
    app: minecraft
spec:
  selector:
    matchLabels:
      app: minecraft
  replicas: 1
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: minecraft
    spec:
      nodeSelector:
        kubernetes.io/hostname: master.tail2fe2d.ts.net
      volumes:
      - name: storage
        hostPath:
          path: /k8s/mc-server/
          type: DirectoryOrCreate
      - name: nginx-config
        configMap:
          name: nginx-config

      terminationGracePeriodSeconds: 10
      containers:
        - name: nginx
          image: nginx:latest
          ports:
            - containerPort: 80
          volumeMounts:
            - name: nginx-config
              mountPath: /etc/nginx/nginx.conf
              subPath: nginx.conf
            - name: storage
              mountPath: /mc
        - name: minecraft
          image: 'openjdk:8-jdk-alpine'
          command: ["java"]
          args:
            - -Xms4G
            - -Xmx4G
            - -XX:+UseG1GC
            - -XX:+ParallelRefProcEnabled
            - -XX:MaxGCPauseMillis=200
            - -XX:+UnlockExperimentalVMOptions
            - -XX:+DisableExplicitGC
            - -XX:+AlwaysPreTouch
            - -XX:G1NewSizePercent=30
            - -XX:G1MaxNewSizePercent=40
            - -XX:G1HeapRegionSize=8M
            - -XX:G1ReservePercent=20
            - -XX:G1HeapWastePercent=5
            - -XX:G1MixedGCCountTarget=4
            - -XX:InitiatingHeapOccupancyPercent=15
            - -XX:G1MixedGCLiveThresholdPercent=90
            - -XX:G1RSetUpdatingPauseTimePercent=5
            - -XX:SurvivorRatio=32
            - -XX:+PerfDisableSharedMem
            - -XX:MaxTenuringThreshold=1
            - -jar
            - forge-1.12.2-14.23.5.2854.jar
            - nogui
          workingDir: /mc/
          resources:
              limits:
                memory: 8Gi
                #cpu: 1
              requests:
                memory: 5Gi
                #cpu: 100m
          ports:
            - name: game
              containerPort: 25565
              protocol: TCP
            - name: dynmap
              containerPort: 8123
              protocol: TCP
          volumeMounts:
            - name: storage
              mountPath: /mc

---
apiVersion: v1
kind: Service
metadata:
  name: minecraft-exporter
  namespace: minecraft
spec:
  selector:
    app: minecraft
  ports:
    - protocol: TCP
      port: 19565
      targetPort: 19565