diff --git a/hydra/Dockerfile b/hydra/Dockerfile
index f388376..1b5136b 100644
--- a/hydra/Dockerfile
+++ b/hydra/Dockerfile
@@ -13,6 +13,7 @@ RUN set -xe \
                           apr-util-dev \
                           bash \
                           build-base \
+                          coreutils \
                           curl \
                           jq \
                           libidn \
@@ -32,6 +33,7 @@ RUN set -xe \
                           subversion-dev \
                           subversion-libs \
                           tar \
+                          tmux \
     && parallel --will-cite \
     && mkdir src \
         && cd src \
diff --git a/hydra/README.md b/hydra/README.md
index e16fb8b..640268c 100644
--- a/hydra/README.md
+++ b/hydra/README.md
@@ -20,9 +20,24 @@ A very fast network logon cracker which support many different services.
 - [x] Android specialities
 - [x] secure compile option support in gcc
 
+## docker-compose.yml
 
+```yaml
+hydra:
+  image: vimagick/hydra
+  command: sleep infinity
+  volumes:
+    - ./data:/data
+  working_dir: /data
+  restart: unless-stopped
 ```
-$ docker run --rm -it -v `pwd`:/data -w /data vimagick/hydra
+
+# up and running
+
+```bash
+$ docker-compose up -d
+
+$ docker-compose exec hydra bash
 
 >>> cat passwd.txt
     123456
diff --git a/hydra/arm/Dockerfile b/hydra/arm/Dockerfile
index 08ec45d..04806a4 100644
--- a/hydra/arm/Dockerfile
+++ b/hydra/arm/Dockerfile
@@ -13,6 +13,7 @@ RUN set -xe \
                           apr-util-dev \
                           bash \
                           build-base \
+                          coreutils \
                           curl \
                           jq \
                           libidn \
@@ -32,6 +33,7 @@ RUN set -xe \
                           subversion-dev \
                           subversion-libs \
                           tar \
+                          tmux \
     && parallel --will-cite \
     && mkdir src \
         && cd src \