feat(postgresql): add postgres chart

postgresql/Chart.yaml

@@ -0,0 +1,8 @@
+name: postgresql
+home: http://www.postgresql.org/
+version: 0.1.0
+description: The world's most advanced open source database.
+maintainers:
+  - Matt Fisher <mfisher@deis.com>
+details:
+  This package provides a basic PostgreSQL database pod for development purposes.

postgresql/README.md

@@ -0,0 +1,3 @@
+# PostgreSQL
+
+This package provides a basic PostgreSQL database pod for development purposes.

postgresql/manifests/postgresql-pod.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: postgresql
+  labels:
+    provider: postgresql
+    heritage: helm
+spec:
+  containers:
+    - name: postgres
+      image: postgres
+      env:
+        - name: DB_PASS
+          value: mypassword
+      ports:
+        - containerPort: 5432