diff start scripts for Notary and signy

Signed-off-by: Trishank K Kuppusamy <trishank.kuppusamy@datadoghq.com>

scripts/start.sh → scripts/notary-start.sh

@@ -13,4 +13,4 @@ docker run -d \
   -e REGISTRY_HTTP_TLS_KEY=/certs/notary-server.key \
   registry:2
 
-docker ps
+docker ps

scripts/signy-start.sh

@@ -0,0 +1,18 @@
+#!/bin/bash 
+
+NOTARY=$GOPATH/src/github.com/theupdateframework/notary
+
+(cd $NOTARY; docker-compose up -d)
+
+# NOTE: Notary (see scripts/notary-start.sh) seems to require TLS for both the
+# Registry and itself. However, that setup breaks cnab-to-oci (required for
+# signy), most likely because we use a self-signed root here. Until we fix
+# this, it is easiest to use two different scripts to initalize the Registry
+# for Notary and signy.
+docker run -d \
+  --name registry \
+  -p 5000:5000 \
+  -e REGISTRY_HTTP_ADDR=0.0.0.0:5000 \
+  registry:2
+
+docker ps