diff --git a/container.yaml b/container.yaml
new file mode 100644
index 0000000..76d17ae
--- /dev/null
+++ b/container.yaml
@@ -0,0 +1,15 @@
+compose:
+    modules:
+    - endless-sky:master
+flatpak:
+    id: io.github.EndlessSky.endless-sky
+    branch: stable
+    command: endless-sky
+    rename-appdata-file: endless-sky.appdata.xml
+    rename-desktop-file: endless-sky.desktop
+    rename-icon: endless-sky
+    finish-args: |-
+        --socket=pulseaudio
+        --socket=wayland
+        --socket=x11
+        --device=dri
diff --git a/endless-sky.yaml b/endless-sky.yaml
new file mode 100644
index 0000000..c1ff449
--- /dev/null
+++ b/endless-sky.yaml
@@ -0,0 +1,37 @@
+---
+document: modulemd
+version: 2
+data:
+  summary: Space exploration, trading, and combat game
+  description: >-
+    Explore other star systems. Earn money by trading, carrying passengers, or completing
+    missions. Use your earnings to buy a better ship or to upgrade the weapons and
+    engines on your current one. Blow up pirates. Take sides in a civil war. Or leave
+    human space behind and hope to find some friendly aliens whose culture is more
+    civilized than your own...
+  license:
+    module:
+    - MIT
+  dependencies:
+  - buildrequires:
+      flatpak-common: [f30]
+      flatpak-runtime: [f30]
+      platform: [f30]
+    requires:
+      flatpak-common: [f30]
+      flatpak-runtime: [f30]
+      platform: [f30]
+  profiles:
+    default:
+      rpms:
+      - endless-sky
+  components:
+    rpms:
+      endless-sky:
+        rationale: Application package
+        ref: master
+        buildorder: 10
+      libmad:
+        rationale: Runtime dependency
+        ref: f30
+...