diff --git a/Dockerfile b/Dockerfile
index a61529e..8aaf496 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,5 +16,5 @@ COPY . .
 RUN npm run build && npm --workspace @afterhook/console run build
 
 ENV NODE_ENV=production
-ENV HOST=::
+ENV HOST=0.0.0.0
 CMD ["node", "scripts/dist/start-service.js"]
diff --git a/docs/DEPLOYMENT.md b/docs/DEPLOYMENT.md
index 399c19f..4f2e8cf 100644
--- a/docs/DEPLOYMENT.md
+++ b/docs/DEPLOYMENT.md
@@ -19,7 +19,8 @@ scale claim.
 The root `render.yaml` defines the Render resources and non-secret variables.
 The root `Dockerfile` builds the release artifact. Set
 `AFTERHOOK_SERVICE_ROLE=all` to start the three processes. The image binds the
-API to `::` and gives the destination a separate loopback host and port.
+API to `0.0.0.0` for Render's public proxy and gives the destination a separate
+loopback host and port.
 
 Configuration boundaries: