diff --git a/build.gradle.kts b/build.gradle.kts
index 5f5b7781..e0976735 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -154,6 +154,8 @@ tasks.register("fatJar", type = Jar::class) {
 val compileJsonSchemas by tasks.registering(JavaCompile::class) {
     dependsOn(tasks.compileJava)
     
+    val schemaBaseUri = "http://localhost:8080/schemas/"
+    
     source = sourceSets.main.get().java
     include("org/asamk/signal/json/**/*.java")
     
@@ -172,7 +174,7 @@ val compileJsonSchemas by tasks.registering(JavaCompile::class) {
             "-Amicronaut.processing.group=org.asamk",
             "-Amicronaut.processing.module=signal-cli",
             "-Amicronaut.processing.annotations=org.asamk.signal.json.*",
-            "-Amicronaut.jsonschema.baseUri=https://example.com/schemas",
+            "-Amicronaut.jsonschema.baseUri=$schemaBaseUri",
         )
     )
     
@@ -186,7 +188,8 @@ val compileJsonSchemas by tasks.registering(JavaCompile::class) {
         fileTree(destinationDirectory.get().dir("META-INF/schemas").asFile) {
             include("*.schema.json")
         }.forEach { schemaFile ->
-            val prettyJson = JsonOutput.prettyPrint(schemaFile.readText())
+            val normalized = schemaFile.readText().replace("\"$schemaBaseUri/", "\"")
+            val prettyJson = JsonOutput.prettyPrint(normalized)
             schemaFile.writeText("$prettyJson\n")
         }
     }
diff --git a/src/main/resources/META-INF/schemas/sync-data-message.schema.json b/src/main/resources/META-INF/schemas/sync-data-message.schema.json
index f61c33a5..265f5453 100644
--- a/src/main/resources/META-INF/schemas/sync-data-message.schema.json
+++ b/src/main/resources/META-INF/schemas/sync-data-message.schema.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "$id": "https://example.com/schemas/sync-data-message.schema.json",
+  "$id": "sync-data-message.schema.json",
   "title": "SyncDataMessage",
   "type": "object",
   "properties": {
@@ -14,28 +14,28 @@
       "type": "string"
     },
     "editMessage": {
-      "$ref": "https://example.com/schemas/edit-message.schema.json"
+      "$ref": "edit-message.schema.json"
     },
     "adminDelete": {
-      "$ref": "https://example.com/schemas/admin-delete.schema.json"
+      "$ref": "admin-delete.schema.json"
     },
     "attachments": {
       "type": "array",
       "items": {
-        "$ref": "https://example.com/schemas/attachment.schema.json"
+        "$ref": "attachment.schema.json"
       }
     },
     "contacts": {
       "type": "array",
       "items": {
-        "$ref": "https://example.com/schemas/shared-contact.schema.json"
+        "$ref": "shared-contact.schema.json"
       }
     },
     "expiresInSeconds": {
       "type": "integer"
     },
     "groupInfo": {
-      "$ref": "https://example.com/schemas/group-info.schema.json"
+      "$ref": "group-info.schema.json"
     },
     "isExpirationUpdate": {
       "type": "boolean"
@@ -43,59 +43,59 @@
     "mentions": {
       "type": "array",
       "items": {
-        "$ref": "https://example.com/schemas/mention.schema.json"
+        "$ref": "mention.schema.json"
       }
     },
     "message": {
       "type": "string"
     },
     "payment": {
-      "$ref": "https://example.com/schemas/payment.schema.json"
+      "$ref": "payment.schema.json"
     },
     "pinMessage": {
-      "$ref": "https://example.com/schemas/pin-message.schema.json"
+      "$ref": "pin-message.schema.json"
     },
     "pollCreate": {
-      "$ref": "https://example.com/schemas/poll-create.schema.json"
+      "$ref": "poll-create.schema.json"
     },
     "pollTerminate": {
-      "$ref": "https://example.com/schemas/poll-terminate.schema.json"
+      "$ref": "poll-terminate.schema.json"
     },
     "pollVote": {
-      "$ref": "https://example.com/schemas/poll-vote.schema.json"
+      "$ref": "poll-vote.schema.json"
     },
     "previews": {
       "type": "array",
       "items": {
-        "$ref": "https://example.com/schemas/preview.schema.json"
+        "$ref": "preview.schema.json"
       }
     },
     "quote": {
-      "$ref": "https://example.com/schemas/quote.schema.json"
+      "$ref": "quote.schema.json"
     },
     "reaction": {
-      "$ref": "https://example.com/schemas/reaction.schema.json"
+      "$ref": "reaction.schema.json"
     },
     "remoteDelete": {
-      "$ref": "https://example.com/schemas/remote-delete.schema.json"
+      "$ref": "remote-delete.schema.json"
     },
     "sticker": {
-      "$ref": "https://example.com/schemas/sticker.schema.json"
+      "$ref": "sticker.schema.json"
     },
     "storyContext": {
-      "$ref": "https://example.com/schemas/story-context.schema.json"
+      "$ref": "story-context.schema.json"
     },
     "textStyles": {
       "type": "array",
       "items": {
-        "$ref": "https://example.com/schemas/text-style.schema.json"
+        "$ref": "text-style.schema.json"
       }
     },
     "timestamp": {
       "type": "integer"
     },
     "unpinMessage": {
-      "$ref": "https://example.com/schemas/unpin-message.schema.json"
+      "$ref": "unpin-message.schema.json"
     },
     "viewOnce": {
       "type": "boolean"
diff --git a/src/main/resources/META-INF/schemas/sync-message.schema.json b/src/main/resources/META-INF/schemas/sync-message.schema.json
index 5dc499f7..3e4a7fa6 100644
--- a/src/main/resources/META-INF/schemas/sync-message.schema.json
+++ b/src/main/resources/META-INF/schemas/sync-message.schema.json
@@ -1,6 +1,6 @@
 {
     "$schema": "https://json-schema.org/draft/2020-12/schema",
-    "$id": "https://example.com/schemas/sync-message.schema.json",
+    "$id": "sync-message.schema.json",
     "title": "SyncMessage",
     "type": "object",
     "properties": {
@@ -19,14 +19,14 @@
         "readMessages": {
             "type": "array",
             "items": {
-                "$ref": "https://example.com/schemas/sync-read-message.schema.json"
+                "$ref": "sync-read-message.schema.json"
             }
         },
         "sentMessage": {
-            "$ref": "https://example.com/schemas/sync-data-message.schema.json"
+            "$ref": "sync-data-message.schema.json"
         },
         "sentStoryMessage": {
-            "$ref": "https://example.com/schemas/sync-story-message.schema.json"
+            "$ref": "sync-story-message.schema.json"
         },
         "type": {
             "type": "string",
diff --git a/src/main/resources/META-INF/schemas/sync-story-message.schema.json b/src/main/resources/META-INF/schemas/sync-story-message.schema.json
index 6dcfec8f..25643d52 100644
--- a/src/main/resources/META-INF/schemas/sync-story-message.schema.json
+++ b/src/main/resources/META-INF/schemas/sync-story-message.schema.json
@@ -1,6 +1,6 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "$id": "https://example.com/schemas/sync-story-message.schema.json",
+  "$id": "sync-story-message.schema.json",
   "title": "SyncStoryMessage",
   "type": "object",
   "properties": {
@@ -14,7 +14,7 @@
       "type": "boolean"
     },
     "fileAttachment": {
-      "$ref": "https://example.com/schemas/attachment.schema.json"
+      "$ref": "attachment.schema.json"
     },
     "groupId": {
       "type": "string"
@@ -54,7 +54,7 @@
           }
         },
         "preview": {
-          "$ref": "https://example.com/schemas/preview.schema.json"
+          "$ref": "preview.schema.json"
         },
         "style": {
           "type": "string"