diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index c9bdcc2..cb33a92 100755
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1 +1,53 @@
-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
\ No newline at end of file
+#!/bin/sh
+set -e
+
+# Generate config.yaml from environment variables
+mkdir -p /app/config
+
+cat > /app/config/config.yaml << 'YAMLEOF'
+server:
+  port: 8080
+  webhook_secret: "${GITEA_WEBHOOK_SECRET}"
+
+identity:
+  provider: gitea
+  cache_ttl: 24h
+  gitea:
+    url: "${GITEA_URL}"
+    token: "${GITEA_API_TOKEN}"
+
+notification:
+  provider: slack
+  slack:
+    bot_token: "${SLACK_BOT_TOKEN}"
+
+database:
+  driver: sqlite
+  dsn: "./data/notifications.db"
+
+rules:
+  pr:
+    notify_owner: true
+    notify_reviewers: true
+    notify_assignees: true
+  issue:
+    notify_assignees: true
+  comment:
+    notify_mentioned: true
+    notify_thread_owner: true
+    notify_reviewers: true
+YAMLEOF
+
+# Seed manual user mappings from MANUAL_USER_MAPPINGS env var (JSON: {"gitea_username":"slack_id",...})
+# These bypass the Gitea API email lookup + Slack email lookup
+if [ -n "$MANUAL_USER_MAPPINGS" ]; then
+    echo "$MANUAL_USER_MAPPINGS" | jq -r 'to_entries[] | "\(.key) \(.value)"' 2>/dev/null | \
+    while read -r gitea_user slack_id; do
+        [ -z "$gitea_user" ] && continue
+        sqlite3 /app/data/notifications.db \
+            "INSERT OR REPLACE INTO users(gitea_username, slack_id, slack_name, updated_at) VALUES('$gitea_user','$slack_id','$gitea_user',datetime('now'));" \
+            2>/dev/null || true
+    done
+fi
+
+exec ./gitea-notification-hub -config /app/config/config.yaml