[DOP-25148] Pass real app version into Docker labels

Author: dolfinus

.github/workflows/image_release.yml

@@ -7,6 +7,9 @@ on:
     tags:
       - '[0-9]+.[0-9]+.[0-9]+'
 
+env:
+  DEFAULT_PYTHON: '3.13'
+
 jobs:
   release:
     name: Build & push image to Dockerhub
@@ -29,6 +32,19 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Set up Python ${{ env.DEFAULT_PYTHON }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.DEFAULT_PYTHON }}
+
+      - name: Install poetry
+        uses: snok/install-poetry@v1
+
+      - name: Get version
+        id: get_version
+        run: |
+          echo "VERSION=$(poetry version --short)" >> $GITHUB_ENV
+
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
@@ -37,9 +53,10 @@ jobs:
           labels: |
             org.opencontainers.image.title=Data.Rentgen
             org.opencontainers.image.vendor=MTS PJSC
-            org.opencontainers.image.documentation=https://data-rentgen.readthedocs.io/
+            org.opencontainers.image.documentation=https://data-rentgen.readthedocs.io
             org.opencontainers.image.url=https://hub.docker.com/r/mtsrus/data-rentgen
             org.opencontainers.image.authors=DataOps.ETL <onetools@mts.ru>
+            org.opencontainers.image.version=${{ env.VERSION }}
 
       - name: Set platforms
         id: set_platforms

docker/Dockerfile

@@ -25,7 +25,6 @@ RUN --mount=type=cache,target=/root/.cache/pypoetry \
 
 
 FROM python:3.13-slim AS prod
-LABEL maintainer="DataOps.ETL"
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \