diff --git a/ansible/roles/minecraft/files/compose.yaml b/ansible/roles/minecraft/files/compose.yaml
index d08e4bf..e2cb44b 100644
--- a/ansible/roles/minecraft/files/compose.yaml
+++ b/ansible/roles/minecraft/files/compose.yaml
@@ -3,6 +3,7 @@ services:
     image: itzg/minecraft-server:2026.8.2@sha256:efa878ddb49cf5251b2e5f2ad71b08fd2f7236c1f7907433f6697258b31d2ce4
     tty: true
     stdin_open: true
+    user: "${UID:?}:${GID:?}"
     ports:
       - "25565:25565"
     environment:
diff --git a/ansible/roles/minecraft/tasks/main.yaml b/ansible/roles/minecraft/tasks/main.yaml
index 20262ce..1f6cf7f 100644
--- a/ansible/roles/minecraft/tasks/main.yaml
+++ b/ansible/roles/minecraft/tasks/main.yaml
@@ -1,4 +1,8 @@
 ---
+- name: Look up the letsbuilda account
+  ansible.builtin.getent:
+    database: passwd
+    key: letsbuilda
 - name: Create configuration directory
   ansible.builtin.file:
     path: /opt/letsbuilda/minecraft/
@@ -13,6 +17,15 @@
     owner: letsbuilda
     group: letsbuilda
     mode: '0600'
+- name: Create the .env file
+  ansible.builtin.copy:
+    content: |
+      UID={{ ansible_facts.getent_passwd['letsbuilda'][1] }}
+      GID={{ ansible_facts.getent_passwd['letsbuilda'][2] }}
+    dest: /opt/letsbuilda/minecraft/.env
+    owner: letsbuilda
+    group: letsbuilda
+    mode: '0600'
 - name: Run the containers
   become: true
   become_user: letsbuilda