Add image tag v2.0.65 to docker-compose (#193)

* Added image tag as v2.0.65

* Replaced hardcoded image tag with IMAGE_TAG env var

- docker-compose.yaml: use ${IMAGE_TAG:-latest} so the tag is not hardcoded
- configure.py: add IMAGE_TAG (default: latest) to generated .env
- README.md: document IMAGE_TAG under Configuration

Author: choridev

README.md

@@ -129,6 +129,11 @@ The service supports the following environment variables:
 
   Redis cache timeout.
 
+#### Docker image
+- `IMAGE_TAG` *(default: latest)*
+
+  Docker image tag for `toncenter/ton-http-api`. Leave as `latest` to always pull the most recent image, or pin to a specific version (e.g. `v2.0.65`) for reproducible deployments.
+
 
 ## FAQ
 #### How to point the service to my own lite server?

configure.py

@@ -21,7 +21,8 @@
     'TON_API_TONLIB_PARALLEL_REQUESTS_PER_LITESERVER': '50',
     'TON_API_TONLIB_CDLL_PATH': '',
     'TON_API_TONLIB_REQUEST_TIMEOUT': '10',
-    'TON_API_GUNICORN_FLAGS': ''
+    'TON_API_GUNICORN_FLAGS': '',
+    'IMAGE_TAG': 'latest'
 }
 
 

docker-compose.yaml

@@ -1,8 +1,8 @@
-version: '3.7'
+version: "3.7"
 services:
   main:
-    image: toncenter/ton-http-api
-    build: 
+    image: toncenter/ton-http-api:${IMAGE_TAG:-latest}
+    build:
       context: ton-http-api
       dockerfile: .docker/Dockerfile
     ports: