Add implementation to retrieve container information

container-registry.nu

@@ -0,0 +1,24 @@
+#!/bin/env nu
+
+export def main [] {
+  get_info "docker.io/itzg/minecraft-server"
+}
+
+export def get_info [image_name: string] {
+  let info = ( parse_name $image_name )
+  let token = ( get_token $info.registry $info.group $info.image )
+  http get -H [Authorization $"Bearer ($token)"] $"https://index.($info.registry)/v2/($info.group)/($info.image)/manifests/latest" | from json 
+}
+
+def parse_name [image_name: string] {
+  let parts = ( $image_name | split row "/" )
+  {
+    registry: $parts.0
+    group: $parts.1
+    image: $parts.2
+  }
+}
+
+def get_token [registry: string, group: string, image: string] {
+  http get $"https://auth.($registry)/token?service=registry.($registry)&scope=repository:($group)/($image):pull" | get token
+}