build: snap publish fails on permissions

.goreleaser.yml

@@ -1,4 +1,11 @@
 # Make sure to check the documentation at http://goreleaser.com
+
+# Snapcraft credentials
+# snapcraft export-login --snaps=graphjin --channels=stable --acls=package_access,package_push,package_update,package_release credential
+
+# GPG Key
+# gpg --armor --export-secret-key <email> | pbcop
+
 before:
   hooks:
     - go mod download
@@ -76,10 +83,14 @@ snapcrafts:
     summary: "Build APIs in 5 minutes. An automagical GraphQL to SQL compiler"
     description: |
       GraphJin gives you a high performance GraphQL API without you having to write any code. GraphQL is automagically compiled into an efficient SQL query. Use it either as a library or a standalone service.
+    replacements:
+      darwin: macOS
+      amd64: x86_64
+    apps:
+      graphjin:
+        plugs: ["home", "network", "network-bind"]
     grade: stable
-    confinement: classic
+    confinement: strict
     publish: true
     license: Apache-2.0
-    replacements:
-      darwin: macOS
-      amd64: x86_64
+    base: core18