diff --git a/personal/q3k/factorio/kube/factorio.libsonnet b/personal/q3k/factorio/kube/factorio.libsonnet
index fc64aaa..4f2ff39 100644
--- a/personal/q3k/factorio/kube/factorio.libsonnet
+++ b/personal/q3k/factorio/kube/factorio.libsonnet
@@ -11,6 +11,7 @@
         appName: "factorio",
         storageClassName: "waw-hdd-redundant-2",
         prefix: "", # if set, should be 'foo-'
+        proxyImage: error "proxyImage must be set",
 
         rconPort: 2137,
         rconPassword: "farts",
@@ -27,6 +28,8 @@
                 memory: "1Gi",
             },
         },
+
+        mods: [],
     },
 
 
@@ -67,6 +70,16 @@
         },
     },
 
+    configMap: kube.ConfigMap(factorio.makeName("config")) {
+        metadata+: factorio.metadata,
+        data: {
+            "mods.pb.text": std.join("\n", [
+                "mod { name: \"%s\" version: \"%s\" }" % [m.name, m.version],
+                for m in cfg.mods
+            ]),
+        },
+    },
+
     deployment: kube.Deployment(factorio.makeName("factorio")) {
         metadata+: factorio.metadata,
         spec+: {
@@ -76,6 +89,23 @@
                     volumes_: {
                         data: kube.PersistentVolumeClaimVolume(factorio.volumeClaimData),
                         mods: kube.PersistentVolumeClaimVolume(factorio.volumeClaimMods),
+                        config: kube.ConfigMapVolume(factorio.configMap),
+                    },
+                    initContainers_: {
+                        modproxy: kube.Container("modproxy") {
+                            image: cfg.proxyImage,
+                            command: [
+                                "/games/factorio/modproxy/client",
+                                "-hspki_disable",
+                                "-factorio_path", "/factorio",
+                                "-proxy", "proxy.factorio.svc.cluster.local:4200",
+                                "-config_path", "/factorio/mods.pb.text",
+                            ],
+                            volumeMounts_: {
+                                mods: { mountPath: "/factorio/mods" },
+                                config: { mountPath: "/factorio/mods.pb.text", subPath: "mods.pb.text" },
+                            },
+                        },
                     },
                     containers_: {
                         factorio: kube.Container(factorio.makeName("factorio")) {