diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ffa1295..effbf3c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ build:
     - if: $CI_COMMIT_BRANCH
   tags: [ docker ]
   before_script:
-    - echo "COMMIT=`git rev-parse HEAD`" >> version.env
+    - echo "COMMIT=${CI_COMMIT_SHA}" >> version.env  # COMMIT=`git rev-parse HEAD`
   script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker build . --tag ${CI_REGISTRY}/${CI_PROJECT_PATH}/${CI_BUILD_REF_NAME}:${CI_BUILD_REF}
@@ -24,9 +24,13 @@ deploy:
   stage: deploy
   rules:
     - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  before_script:
+    - echo "COMMIT=${CI_COMMIT_SHA}" >> version.env
+    - source version.env
+    - echo "Building docker image for commit ${COMMIT} with version ${VERSION}"
   script:
     - docker login -u $PUBLIC_REGISTRY_USER -p $PUBLIC_REGISTRY_TOKEN
-    - docker build . --tag $PUBLIC_REGISTRY_USER/${CI_PROJECT_NAME}:${CI_BUILD_REF}
+    - docker build . --tag $PUBLIC_REGISTRY_USER/${CI_PROJECT_NAME}:${VERSION}
     - docker build . --tag $PUBLIC_REGISTRY_USER/${CI_PROJECT_NAME}:latest
-    - docker push $PUBLIC_REGISTRY_USER/${CI_PROJECT_NAME}:${CI_BUILD_REF}
+    - docker push $PUBLIC_REGISTRY_USER/${CI_PROJECT_NAME}:${VERSION}
     - docker push $PUBLIC_REGISTRY_USER/${CI_PROJECT_NAME}:latest
diff --git a/Dockerfile b/Dockerfile
index c3aa040..5819ef5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ RUN apk update \
  && apk del build-deps
 
 COPY app /app
+COPY version.env /version.env
 COPY README.md /README.md
 
 HEALTHCHECK --start-period=30s --interval=10s --timeout=5s --retries=3 CMD curl --insecure --fail https://localhost/status || exit 1
diff --git a/README.md b/README.md
index d3a7cd3..1d40908 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,10 @@ HTML rendered README.md.
 
 Status endpoint, used for *healthcheck*. Shows also current version and commit hash.
 
+### `GET /docs`
+
+OpenAPI specifications rendered from `GET /openapi.json`.
+
 ### `GET /-/origins`
 
 List registered origins.
diff --git a/app/main.py b/app/main.py
index 2af3bc9..f35d3fc 100644
--- a/app/main.py
+++ b/app/main.py
@@ -5,7 +5,7 @@ from uuid import uuid4
 from os.path import join, dirname
 from os import getenv
 
-from dotenv import dotenv_values
+from dotenv import load_dotenv
 from fastapi import FastAPI, HTTPException
 from fastapi.requests import Request
 from fastapi.encoders import jsonable_encoder
@@ -22,7 +22,7 @@ from Crypto.PublicKey import RSA
 from Crypto.PublicKey.RSA import RsaKey
 
 logger = logging.getLogger()
-dotenv_values('version.env')
+load_dotenv('../version.env')
 
 VERSION, COMMIT, DEBUG = getenv('VERSION', 'unknown'), getenv('COMMIT', 'unknown'), bool(getenv('DEBUG', False))