diff --git a/Dockerfile b/Dockerfile
index 6ab84169..5b07acd6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,8 @@ RUN npm install && \
   npm test && \
   chmod -R a+rwX .
 
+ADD pelias.json.docker pelias.json
+
 # Don't run as root, because there's no reason to (https://docs.docker.com/engine/articles/dockerfile_best-practices/#user).
 # This also reveals permission problems on local Docker.
 RUN chown -R 9999:9999 ${WORK}
diff --git a/pelias.json.docker b/pelias.json.docker
new file mode 100644
index 00000000..7d012f02
--- /dev/null
+++ b/pelias.json.docker
@@ -0,0 +1,18 @@
+{
+  "esclient": {
+    "hosts": [
+      {
+        "env": "production",
+        "protocol": "http",
+        "host": "pelias-data-container",
+        "port": 9200
+      },
+      {
+        "env": "production",
+        "protocol": "http",
+        "host": "pelias-data-container",
+        "port": 9300
+      }
+    ]
+  }
+}