Add Docker compose example and description to README

README.md

@@ -625,6 +625,10 @@ If you want the docker container to run in the background pass the `-d` flag rig
 You can adjust the maximum cache size by appending `--max_size N`, where N is
 the maximum size in Gibibytes.
 
+### Docker Compose notes
+
+See [examples/docker-compose.yml](examples/docker-compose.yml) for an example configuration (modify the `--max_size` flag in there to suit your needs).
+
 ### Kubernetes notes
 
 * See [examples/kubernetes.yml](examples/kubernetes.yml) for an example
@@ -648,7 +652,6 @@ the maximum size in Gibibytes.
   alb.ingress.kubernetes.io/target-type: ip
   ```
 
-
 ### Build your own
 
 The command below will build a docker image from source and install it into your local docker registry.

examples/docker-compose.yml

@@ -0,0 +1,20 @@
+version: '3.6'
+
+services:
+  bazel-cache:
+    container_name: bazel-remote-cache
+    image: buchgr/bazel-remote-cache:latest
+    restart: always
+    ports:
+      - 9090:8080
+      - 9092:9092
+    command: --max_size=1000
+    volumes:
+      - /path/to/cache/dir:/data
+    environment:
+      BAZEL_REMOTE_GRPC_PORT: 9092
+      # setting data dir and the max_size has no effect here as they are predefined by command line args
+      # use the "command" to overwrite it or build your own image with different default parameters
+      # see https://stackoverflow.com/q/64341356/13543363
+      # BAZEL_REMOTE_DIR: /data
+      # BAZEL_REMOTE_MAX_SIZE: 1000