Add default ARG

Author: jacobwoffenden

.github/workflows/release-container.yml

@@ -13,4 +13,4 @@ jobs:
     permissions:
       contents: read
       id-token: write
-    uses: ministryofjustice/analytical-platform-airflow-github-actions/.github/workflows/shared-release-container.yml@39e4c8e5bdde50a537934e2a29d9e3d02b5ca1ce # v2.2.1
+    uses: ministryofjustice/analytical-platform-airflow-github-actions/.github/workflows/shared-release-container.yml@86f7253c46b3a2993edb49f2ac632886ff9043a6 # https://github.com/ministryofjustice/analytical-platform-airflow-github-actions/pull/62

Dockerfile

@@ -1,5 +1,9 @@
 FROM ghcr.io/ministryofjustice/analytical-platform-airflow-python-base:1.16.0@sha256:96551185eef8ff5f54f82b6a55c5df570a795d155851cde1811f230423efca1b
 
+ARG MOJAP_IMAGE_VERSION="default"
+
+ENV MOJAP_IMAGE_VERSION=${MOJAP_IMAGE_VERSION}
+
 COPY requirements.txt requirements.txt
 COPY src/ .
 RUN <<EOF