diff --git a/app.sh b/app.sh
new file mode 100644
index 0000000..e69de29
diff --git a/docs/DOCKER.md b/docs/DOCKER.md
index 37169d2..f85ffc2 100644
--- a/docs/DOCKER.md
+++ b/docs/DOCKER.md
@@ -17,14 +17,15 @@ $ cd VERT/
 Then build a Docker image with:
 
 ```shell
-$ docker build -t vert-sh/vert \
-    --build-arg PUB_ENV=production \
-    --build-arg PUB_HOSTNAME=vert.sh \
-    --build-arg PUB_PLAUSIBLE_URL=https://plausible.example.com \
-    --build-arg PUB_VERTD_URL=https://vertd.vert.sh \
-    --build-arg PUB_DONATION_URL=https://donations.vert.sh \
-	--build-arg PUB_DISABLE_ALL_EXTERNAL_REQUESTS=false
-    --build-arg PUB_STRIPE_KEY="" .
+docker build -t vert-sh/vert \
+  --build-arg PUB_ENV=production \
+  --build-arg PUB_HOSTNAME=vert.sh \
+  --build-arg PUB_PLAUSIBLE_URL=https://plausible.example.com \
+  --build-arg PUB_VERTD_URL=https://vertd.vert.sh \
+  --build-arg PUB_DONATION_URL=https://donations.vert.sh \
+  --build-arg PUB_DISABLE_ALL_EXTERNAL_REQUESTS=false \
+  --build-arg PUB_STRIPE_KEY="" \
+  .
 ```
 
 You can then run it by using: