diff --git a/ambari/Dockerfile b/ambari/Dockerfile
index e41f6e2..c3f93e2 100644
--- a/ambari/Dockerfile
+++ b/ambari/Dockerfile
@@ -11,8 +11,7 @@ ENV JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
 
 RUN set -xe \
     && apt-get update \
-    && apt-get install -y curl gnupg libpostgresql-jdbc-java openjdk-8-jdk openssh-client supervisor \
-    && mkdir -m 700 /root/.ssh \
+    && apt-get install -y curl gnupg libpostgresql-jdbc-java openjdk-8-jdk \
     && curl -sSL ${AMBARI_SOURCE} > /etc/apt/sources.list.d/ambari.list \
     && apt-key adv --recv-keys --keyserver keyserver.ubuntu.com B9733A7A07513CAD \
     && apt-get update \
@@ -20,12 +19,8 @@ RUN set -xe \
     && ambari-server setup --jdbc-db=postgres --jdbc-driver=/usr/share/java/postgresql.jar \
     && rm -rf /var/lib/apt/lists/*
 
-VOLUME /etc/ambari-server/conf/ /root/.ssh/
+VOLUME /etc/ambari-server/conf
 
 EXPOSE 8080
 
 CMD ["sleep", "inf"]
-
-#
-# ambari-server setup --jdbc-db=postgres --jdbc-driver=/usr/share/java/postgresql.jar
-#
diff --git a/ambari/README.md b/ambari/README.md
index ad3eb99..0b0eaec 100644
--- a/ambari/README.md
+++ b/ambari/README.md
@@ -6,5 +6,46 @@ developing software for provisioning, managing, and monitoring Apache Hadoop
 clusters. Ambari provides an intuitive, easy-to-use Hadoop management web UI
 backed by its RESTful APIs.
 
+## docker-compose.yml
+
+```yaml
+ambari:
+  image: vimagick/ambari
+  hostname: ambari-server
+  ports:
+    - "8080:8080"
+  volumes:
+    - ./data/ambari:/etc/ambari-server/conf
+  links:
+    - postgres
+  extra_hosts:
+    - ambari-agent1:172.16.1.101
+    - ambari-agent2:172.16.1.102
+    - ambari-agent3:172.16.1.103
+  restart: unless-stopped
+
+postgres:
+  image: postgres:alpine
+  volumes:
+    - /data/postgres:/var/lib/postgresql/data
+  environment:
+    - POSTGRES_USER=ambari
+    - POSTGRES_PASSWORD=ambari
+    - POSTGRES_DB=ambari
+  restart: unless-stopped
+```
+
+> Make sure that ambari-server is reachable by ambari-agents.
+
+## Up and Running
+
+```bash
+$ docker-compose up -d
+$ docker-compose exec ambari bash
+>>> ambari-server setup
+>>> PGUSER=ambari PGPASSWORD=ambari psql -h postgres -d ambari -f /var/lib/ambari-server/resources/Ambari-DDL-Postgres-CREATE.sql
+>>> ambari-server start
+$ curl localhost:8080
+```
 
 [1]: https://ambari.apache.org/
diff --git a/ambari/data/ssh/.gitkeep b/ambari/data/ssh/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/ambari/data/ssh/config b/ambari/data/ssh/config
new file mode 100644
index 0000000..7608811
--- /dev/null
+++ b/ambari/data/ssh/config
@@ -0,0 +1,11 @@
+Host ambari-agent1
+  HostName 172.16.1.101
+  User root
+
+Host ambari-agent2
+  HostName 172.16.1.102
+  User root
+
+Host ambari-agent3
+  HostName 172.16.1.102
+  User root
diff --git a/ambari/docker-compose.yml b/ambari/docker-compose.yml
index ecc68c6..2ae7ab7 100644
--- a/ambari/docker-compose.yml
+++ b/ambari/docker-compose.yml
@@ -6,6 +6,8 @@ ambari:
   volumes:
     - ./data/ssh:/root/.ssh
     - ./data/ambari:/etc/ambari-server/conf
+  links:
+    - postgres
   extra_hosts:
     - ambari-agent1:172.16.1.101
     - ambari-agent2:172.16.1.102
@@ -14,8 +16,6 @@ ambari:
 
 postgres:
   image: postgres:alpine
-  ports:
-    - "5432:5432"
   volumes:
     - /data/postgres:/var/lib/postgresql/data
   environment: