apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "minecraft.fullname" . }}
  labels:
    {{- include "minecraft.labels" . | nindent 4 }}
spec:
  replicas: 1
  strategy:
    type: Recreate  # Avoid parallel access to the volume
  selector:
    matchLabels:
      {{- include "minecraft.selectorLabels" . | nindent 6 }}
  template:
    metadata:
      {{- with .Values.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      labels:
        {{- include "minecraft.selectorLabels" . | nindent 8 }}
    spec:
      {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      serviceAccountName: default
      securityContext:
        {{- toYaml .Values.podSecurityContext | nindent 8 }}
      terminationGracePeriodSeconds: 30
      initContainers:
        - name: download
          image: alpine:3.12.1
          imagePullPolicy: IfNotPresent
          command:
            - sh
            - -c
            - '[[ ! -d /minecraft/world ]] && wget -O- "{{ .Values.downloadURL }}" | tar -x --strip-components=1 -C /minecraft || true'
          volumeMounts:
            - name: {{ include "minecraft.fullname" . }}
              mountPath: /minecraft
          resources:
            requests:
              cpu: 100m
              memory: 64Mi
            limits:
              cpu: 100m
              memory: 64Mi
      containers:
        - name: {{ .Chart.Name }}
          securityContext:
            {{- toYaml .Values.securityContext | nindent 12 }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          env:
            - name: JAVA_OPTS
              value: '-Xms3500m -Xmx3500m'
          volumeMounts:
            - name: {{ include "minecraft.fullname" . }}
              mountPath: /minecraft
          ports:
            - containerPort: 25565
              name: minecraft
              protocol: TCP
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}