diff --git a/znai-core/src/main/java/org/testingisdocumenting/znai/core/DocMeta.java b/znai-core/src/main/java/org/testingisdocumenting/znai/core/DocMeta.java
index 4c057c764..7e6fb6a12 100644
--- a/znai-core/src/main/java/org/testingisdocumenting/znai/core/DocMeta.java
+++ b/znai-core/src/main/java/org/testingisdocumenting/znai/core/DocMeta.java
@@ -38,13 +38,14 @@ public class DocMeta {
     private final boolean displayOnLanding;
 
     private boolean previewEnabled;
-    private final Map<String, ?> docMetaMap;
+    private final Map<String, Object> docMetaMap;
 
+    @SuppressWarnings("unchecked")
     public DocMeta(String metaJson) {
-        this(JsonUtils.deserializeAsMap(metaJson));
+        this((Map<String, Object>) JsonUtils.deserializeAsMap(metaJson));
     }
 
-    public DocMeta(Map<String, ?> docMetaMap) {
+    public DocMeta(Map<String, Object> docMetaMap) {
         this.id = stringValue(docMetaMap, "id", "");
         this.type = stringValue(docMetaMap, "type", "no-type");
         this.title = stringValue(docMetaMap, "title", "no-title");
@@ -57,6 +58,12 @@ public DocMeta(Map<String, ?> docMetaMap) {
         this.docMetaMap = docMetaMap;
     }
 
+    public void addMetaIfNotPresent(String key, Object value) {
+        if (!docMetaMap.containsKey(key)) {
+            docMetaMap.put(key, value);
+        }
+    }
+
     public DocMeta cloneWithNewJson(String docMetaJson) {
         DocMeta clone = new DocMeta(docMetaJson);
         clone.setId(this.id);
diff --git a/znai-docs/znai/release-notes/1.79/add-2025-09-07-slack-env-var.md b/znai-docs/znai/release-notes/1.79/add-2025-09-07-slack-env-var.md
new file mode 100644
index 000000000..f21e7911d
--- /dev/null
+++ b/znai-docs/znai/release-notes/1.79/add-2025-09-07-slack-env-var.md
@@ -0,0 +1 @@
+* Add: Slack setup via env variable
\ No newline at end of file
diff --git a/znai-docs/znai/release-notes/1.79/add-2025-09-07-slack-persisted-questions.md b/znai-docs/znai/release-notes/1.79/add-2025-09-07-slack-persisted-questions.md
new file mode 100644
index 000000000..28762f8be
--- /dev/null
+++ b/znai-docs/znai/release-notes/1.79/add-2025-09-07-slack-persisted-questions.md
@@ -0,0 +1,2 @@
+* Add: Slack persisted questions
+* Add: Slack detached questions
\ No newline at end of file
diff --git a/znai-reactjs/src/doc-elements/text-selection/TextSelectionMenu.tsx b/znai-reactjs/src/doc-elements/text-selection/TextSelectionMenu.tsx
index 431ef84b9..bc89a54ae 100644
--- a/znai-reactjs/src/doc-elements/text-selection/TextSelectionMenu.tsx
+++ b/znai-reactjs/src/doc-elements/text-selection/TextSelectionMenu.tsx
@@ -239,6 +239,7 @@ export function TextSelectionMenu({ containerNode }: { containerNode: HTMLDivEle
       selectedPrefix: panelData!.prefixSuffixMatch.prefix,
       selectedSuffix: panelData!.prefixSuffixMatch.suffix,
       pageId: currentPageId(),
+      pageOrigin: document.location.origin,
       slackChannel: getDocMeta().slackChannel,
       question: question,
       context: panelData!.context,
diff --git a/znai-slack-bot/slack_bot.py b/znai-slack-bot/slack_bot.py
index d8814ebc9..fd10034b3 100644
--- a/znai-slack-bot/slack_bot.py
+++ b/znai-slack-bot/slack_bot.py
@@ -45,7 +45,8 @@ def ask_in_slack():
 
         question_id = str(uuid.uuid4())
         page_id = data.get('pageId')
-        page_url = f"http://localhost:5173/preview/{page_id}?questionId={question_id}"
+        page_origin = data.get('pageOrigin')
+        page_url = f"{page_origin}/{page_id}/?questionId={question_id}"
         selected_text = data.get('selectedText')
         selected_prefix = data.get('selectedPrefix', '')
         selected_suffix = data.get('selectedSuffix', '')
diff --git a/znai-website-gen/src/main/java/org/testingisdocumenting/znai/website/WebSite.java b/znai-website-gen/src/main/java/org/testingisdocumenting/znai/website/WebSite.java
index 1676c720c..37ec759fb 100644
--- a/znai-website-gen/src/main/java/org/testingisdocumenting/znai/website/WebSite.java
+++ b/znai-website-gen/src/main/java/org/testingisdocumenting/znai/website/WebSite.java
@@ -1033,6 +1033,7 @@ public Configuration withAdditionalLookupPaths(List<String> additionalLookupPath
         public Configuration withMetaFromJsonFile(Path path) {
             String json = fileTextContent(path);
             docMeta = new DocMeta(json);
+            attachSlackMetaFromEnvVars(docMeta);
 
             withTitle(docMeta.getTitle());
             withType(docMeta.getType());
@@ -1040,6 +1041,21 @@ public Configuration withMetaFromJsonFile(Path path) {
             return this;
         }
 
+        private void attachSlackMetaFromEnvVars(DocMeta docMeta) {
+            addMetaFromEnvVar(docMeta, "sendToSlackUrl", "ZNAI_SEND_TO_SLACK_URL");
+            addMetaFromEnvVar(docMeta, "slackChannel", "ZNAI_SLACK_CHANNEL");
+            addMetaFromEnvVar(docMeta, "slackActiveQuestionsUrl", "ZNAI_SLACK_ACTIVE_QUESTIONS_URL");
+            addMetaFromEnvVar(docMeta, "resolveSlackQuestionUrl", "ZNAI_RESOLVE_SLACK_QUESTION_URL");
+            addMetaFromEnvVar(docMeta, "sendToSlackIncludeContentType", "ZNAI_SEND_TO_SLACK_INCLUDE_CONTENT_TYPE");
+        }
+
+        private void addMetaFromEnvVar(DocMeta docMeta, String key, String envVarName) {
+            String envValue = System.getenv(envVarName);
+            if (envValue != null) {
+                docMeta.addMetaIfNotPresent(key, envValue);
+            }
+        }
+
         public Configuration withEnabledPreview(boolean isPreviewEnabled) {
             this.isPreviewEnabled = isPreviewEnabled;
             return this;