diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..080feb4
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,28 @@
+{
+	"name":         "core-mailapi",
+	"version":      "16.2.0",
+	"description":  "Base core.io image",
+	"organization": "SkyLime",
+	"brand":        "Instance",
+	"homepage":     "https://github.com/skylime/mi-core-mailapi",
+	"base":         "1120d2ce-73f8-4d24-816e-45ef4ede2b9a",
+	"customer_metadata": {
+		"root_authorized_keys": {"type": "text", "description": "SSH public authorized key(s) for the root user"},
+		"root_ssh_rsa":         {"type": "text", "description": "private SSH rsa key for root user"},
+		"root_ssh_rsa_pub":     {"type": "text", "description": "public SSH rsa key for root user (mostly not required)"},
+		"syslog_host":          {"type": "text", "description": "syslog server IP address and port seperated by colon"},
+		"mail_smarthost":       {"type": "text", "description": "hostname of remote smtp server"},
+		"mail_auth_user":       {"type": "text", "description": "smtp username if authentication is required"},
+		"mail_auth_pass":       {"type": "text", "description": "smtp password"},
+		"mail_adminaddr":       {"type": "text", "description": "admin email address alias for all mails to root@localhost"},
+		"ssh_host_rsa_key":     {"type": "text", "description": "private SSH rsa key for the host daemon"},
+		"ssh_host_rsa_key.pub": {"type": "text", "description": "public SSH rsa key for the host daemon"},
+		"ssh_host_dsa_key":     {"type": "text", "description": "private SSH dsa key for the host daemon"},
+		"ssh_host_dsa_key.pub": {"type": "text", "description": "public SSH dsa key for the host daemon"},
+		"munin_master_allow":   {"type": "text", "description": "ip addresses (alternative hostname) of the munin master node"},
+		"api_redis_key":        {"type": "text", "description": "base64 encoded spipe key"},
+		"import_urls":          {"type": "text", "description": "list of urls that provide a json dump of mail accounts and aliases"},
+		"nginx_ssl":            {"type": "text", "description": "ssl cert, key and CA for imaps and pop3s in pem format"},
+		"nginx_auth":           {"type": "text", "description": "htpasswd authentication data (username:password_hash)"}
+	}
+}