diff --git a/README.md b/README.md
index ee7a109..ffaf181 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@
 
 | Preview | Name | Tutorial | Features | Language | Platforms | Networking | Rendering |
 | ------- | ---- | -------- | -------- | -------- | --------- | ---------- | --------- |
+| [![Preview](./javascript/asteroids-socketio-canvas/_media/preview_256.png)](./javascript/asteroids-socketio-canvas/) | [Asteroids](./javascript/asteroids-socketio-canvas) |  [Live Demo](https://asteroids.staging2.boatbumpers.io/) | [♟️](https://rivet.gg/docs/matchmaker "♟️ Matchmaker")[🌐](https://rivet.gg/docs/dynamic-servers "🌐 Dynamic Servers") | TypeScript | HTML5 | Socket.IO | Canvas |
 | [![Preview](./javascript/tanks-socketio-canvas/_media/preview_256.png)](./javascript/tanks-socketio-canvas/) | [Tanks](./javascript/tanks-socketio-canvas) | [Tutorial](https://rivet.gg/learn/html5/tutorials/tanks-canvas-socketio) [Live Demo](https://tanks.staging2.boatbumpers.io/) | [♟️](https://rivet.gg/docs/matchmaker "♟️ Matchmaker")[🌐](https://rivet.gg/docs/dynamic-servers "🌐 Dynamic Servers") | TypeScript | HTML5 | Socket.IO | Canvas |
 | [![Preview](./javascript/microgravity.io/_media/preview_256.png)](./javascript/microgravity.io/) | [Microgravity.io](./javascript/microgravity.io) |  [Live Demo](https://microgravity.io) | [♟️](https://rivet.gg/docs/matchmaker "♟️ Matchmaker")[🌐](https://rivet.gg/docs/dynamic-servers "🌐 Dynamic Servers") | TypeScript | HTML5 | Socket.IO | Canvas |
 | [![Preview](./javascript/gameinc.io/_media/preview_256.png)](./javascript/gameinc.io/) | [GameInc.io](./javascript/gameinc.io) |  [Live Demo](https://gameinc.io) | [♟️](https://rivet.gg/docs/matchmaker "♟️ Matchmaker")[🌐](https://rivet.gg/docs/dynamic-servers "🌐 Dynamic Servers") | TypeScript | HTML5 | Socket.IO | DOM |
diff --git a/javascript/asteroids-socketio-canvas/Dockerfile b/javascript/asteroids-socketio-canvas/Dockerfile
index 79e720f..57730c2 100644
--- a/javascript/asteroids-socketio-canvas/Dockerfile
+++ b/javascript/asteroids-socketio-canvas/Dockerfile
@@ -7,7 +7,7 @@ COPY package.json yarn.lock tsconfig.json ./
 RUN yarn install  --frozen-lockfile
 COPY ./server ./server
 COPY ./shared ./shared
-RUN ls node_modules; yarn run build:server
+RUN yarn run build:server
 RUN rm -rf ./node_modules
 
 # === Runner ===
diff --git a/javascript/asteroids-socketio-canvas/LICENSE b/javascript/asteroids-socketio-canvas/LICENSE
index b1cac3f..8108a07 100644
--- a/javascript/asteroids-socketio-canvas/LICENSE
+++ b/javascript/asteroids-socketio-canvas/LICENSE
@@ -18,4 +18,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
\ No newline at end of file
+SOFTWARE.
diff --git a/javascript/asteroids-socketio-canvas/README.md b/javascript/asteroids-socketio-canvas/README.md
index 3d638a5..c6cfba5 100644
--- a/javascript/asteroids-socketio-canvas/README.md
+++ b/javascript/asteroids-socketio-canvas/README.md
@@ -1,8 +1,13 @@
 # Asteroids
 
+<p align="center">
+    <img src="./_media/preview_512.png" />
+</p>
 
 
-[Visit Tutorial](https://rivet.gg/learn/html5/tutorials/asteroids-canvas-socketio)
+
+
+[Live Demo](https://asteroids.staging2.boatbumpers.io/)
 
 
 |  Language | Networking | Rendering |
diff --git a/javascript/asteroids-socketio-canvas/_media/preview.png b/javascript/asteroids-socketio-canvas/_media/preview.png
new file mode 100644
index 0000000..b48cd1c
--- /dev/null
+++ b/javascript/asteroids-socketio-canvas/_media/preview.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e30e0a8dc774f630357bfc1c12c60038ff79d0eb53e80cb52b5a324cc83816b
+size 215730
diff --git a/javascript/asteroids-socketio-canvas/_media/preview_256.png b/javascript/asteroids-socketio-canvas/_media/preview_256.png
new file mode 100644
index 0000000..0da6775
--- /dev/null
+++ b/javascript/asteroids-socketio-canvas/_media/preview_256.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f101b84ed967028657d704c54a8dfcaea30c28c7764b150571373cae045a267
+size 14037
diff --git a/javascript/asteroids-socketio-canvas/_media/preview_512.png b/javascript/asteroids-socketio-canvas/_media/preview_512.png
new file mode 100644
index 0000000..16c2e69
--- /dev/null
+++ b/javascript/asteroids-socketio-canvas/_media/preview_512.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d4149ff4bdf3944ee60cfb1747a47fb564fe3fa3fc6c37e88a091eca5a4cb13
+size 33156