Add dumpers

dump_postgres.go

@@ -0,0 +1,17 @@
+package main
+
+import "github.com/docker/docker/api/types"
+
+type PostgresDumper struct {
+	Container *types.ContainerJSON
+}
+
+func NewPostgresDumper(container *types.ContainerJSON) *PostgresDumper {
+	return &PostgresDumper{
+		Container: container,
+	}
+}
+
+func (p *PostgresDumper) Dump() error {
+	panic("implement me")
+}