diff --git a/docker-compose.yml b/docker-compose.yml
index 4b268d5..24ba32b 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -74,6 +74,7 @@ services:
       - APP_BASE_URL=${APP_BASE_URL:-}
       - HEARTBEAT_INTERVAL=${HEARTBEAT_INTERVAL:-30000}
       - DEBUG=${TG_BOT_DEBUG:-}
+      - PUBLIC_API_URL=${PUBLIC_API_URL:-}
     depends_on:
       couchdb:
         condition: service_healthy
diff --git a/services/tg-bot/src/config/env.ts b/services/tg-bot/src/config/env.ts
index d473b4b..49db64d 100644
--- a/services/tg-bot/src/config/env.ts
+++ b/services/tg-bot/src/config/env.ts
@@ -14,10 +14,6 @@ if (!process.env.API_URL) {
   throw new Error("Environment variable API_URL is not set");
 }
 
-if (!process.env.PUBLIC_API_URL) {
-  throw new Error("Environment variable PUBLIC_API_URL is not set");
-}
-
 if (!process.env.HEARTBEAT_INTERVAL) {
   throw new Error("Environment variable HEARTBEAT_INTERVAL is not set");
 }
@@ -27,6 +23,7 @@ export const env = {
   READ_BASE_URL: process.env.READ_BASE_URL,
   APP_BASE_URL: process.env.APP_BASE_URL,
   API_URL: process.env.API_URL,
-  PUBLIC_API_URL: process.env.PUBLIC_API_URL,
+  PUBLIC_API_URL:
+    process.env.PUBLIC_API_URL || `${process.env.APP_BASE_URL}/api`,
   HEARTBEAT_INTERVAL: parseInt(process.env.HEARTBEAT_INTERVAL, 10),
 } as const;