Try with proper curseforge pack

games/minecraft/minecraft-deployment.yaml

@@ -13,21 +13,22 @@ spec:
       labels:
         app: games
     spec:
-      #initContainers:
-      #- name: modpack-downloader
-      #  image: alpine:latest
-      #  volumeMounts:
-      #  - name: minecraft-modpacks
-      #    mountPath: /modpacks
-      #  env:
-      #  - name: MODPACK_URL
+      initContainers:
+      - name: modpack-downloader
+        image: alpine:latest
+        volumeMounts:
+        - name: minecraft-modpacks
+          mountPath: /modpacks
+        env:
+        - name: MODPACK_URL
+          value: "https://s3.clortox.com/minecraft-modpacks/cf-modpack-latest.zip"
           #value: "https://s3.clortox.com/minecraft-modpacks/modpack-latest.zip"
-      #  command: ["/bin/sh"]
-      #  args:
-      #  - "-c"
-      #  - |
-      #    rm -rf /modpacks/*
-      #    wget -O /modpacks/modpack.zip "$MODPACK_URL"
+        command: ["/bin/sh"]
+        args:
+        - "-c"
+        - |
+          rm -rf /modpacks/*
+          wget -O /modpacks/modpack.zip "$MODPACK_URL"
       containers:
       - name: minecraft
         image: itzg/minecraft-server:java8-jdk
@@ -49,18 +50,26 @@ spec:
 
         - name: VERSION
           value: "1.12.2"
-        - name: MODPACK
-          value: "https://s3.clortox.com/minecraft-modpacks/modpack-latest.zip"
         - name: REMOVE_OLD_MODS
           value: "TRUE"
+
+        # Proper curseforge pack
         - name: TYPE
-          value: "FORGE"
-        - name: CUSTOM_SERVER_PROPERTIES
-          value: |
-            level-type=EarthCubic
-            level-name=big-world
-            view-distance=16
-            vertical-view-distance=-1
+          value: "CURSEFORGE"
+        - name: CF_SERVER_MOD
+          value: "/modpacks/modpack.zip"
+
+        # Generic Forge configuration
+            #- name: TYPE
+            #  value: "FORGE"
+            #- name: MODPACK
+            #  value: "https://s3.clortox.com/minecraft-modpacks/modpack-latest.zip"
+            #- name: CUSTOM_SERVER_PROPERTIES
+            #  value: |
+            #    level-type=EarthCubic
+            #    level-name=big-world
+            #    view-distance=16
+            #    vertical-view-distance=-1
 
         - name: ICON
           value: "https://s3.clortox.com/minecraft-modpacks/server-icon.png"