diff --git a/docker/README b/docker/README
deleted file mode 100644
index 0065fe4d..00000000
--- a/docker/README
+++ /dev/null
@@ -1,12 +0,0 @@
-How to build
-
-  Pick the latest deb package from Bitbucket download page (https://bitbucket.org/jsuto/piler/downloads/)
-  and use it as the PACKAGE build argument, eg.
-
-  docker build --build-arg PACKAGE=piler_1.3.6~bionic-65cc7eb_amd64.deb -t sutoj/piler .
-
-How to run the image
-
-  Set the PILER_HOST env variable to match your hostname, eg.
-
-  docker run -d --name piler1 -p 25:25 -p 80:80 -e PILER_HOST=archive.yourdomain.com sutoj/piler
diff --git a/docker/README.md b/docker/README.md
new file mode 100644
index 00000000..a0628f0a
--- /dev/null
+++ b/docker/README.md
@@ -0,0 +1,14 @@
+How to run piler
+
+Edit the variables in docker-compose.yaml, then run
+
+```
+docker-compose up -d
+```
+
+How to build the image for yourself
+
+  Pick the latest deb package from Bitbucket download page (https://bitbucket.org/jsuto/piler/downloads/)
+  and use it as the PACKAGE build argument, eg.
+
+  docker build --build-arg PACKAGE=piler_1.3.11-focal-5c2ceb1_amd64.deb -t piler:1.3.11 .