feat(init): adding init image for auto creation of connections

images/airflow-init/Dockerfile

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+FROM reg.cadoles.com/proxy_cache/apache/airflow:2.5.3-python3.10
+
+USER root
+
+COPY --chown=airflow:root ./scripts/ ${AIRFLOW_HOME}/scripts/
+RUN chmod +x ./scripts/*
+
+USER airflow
+
+ENTRYPOINT [ "/usr/bin/dumb-init", "--" ]
+CMD [ "./scripts/create-connections.sh" ]

images/airflow-init/scripts/create-connections.sh

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+#!/bin/bash
+
+# Simple script to provision AIRFLOW_CONNECTIONS !
+
+export SQLALCHEMY_SILENCE_UBER_WARNING=1
+#export AIRFLOW_CONN_AIRFLOW_DB="${connection}"
+export AIRFLOW__DATABASE__SQL_ALCHEMY_CONN="${connection}"
+export AIRFLOW__CORE__SQL_ALCHEMY_CONN="${connection}"
+
+echo "====================================="
+conns=$(compgen -v  -X '!*AIRFLOW_CONN_*')
+
+if [ -z "${conns}" ];then
+   echo " Nothing to do"
+   echo "====================================="
+else
+   for conn in ${conns}
+   do
+      name="${conn#"AIRFLOW_CONN_"}"
+      value=$(eval "echo -e ${!conn}")
+      echo "Creating ${name}: ${value}"
+      ex=$(airflow connections add "${name}" --conn-uri ${value} 2>&1)
+      if [ "${?}" -ne 0 ]; then
+         echo "${conn}: Bad connection definition"
+         echo "= Error =========================="
+         echo "${ex}"
+         echo "= End error======================="
+      else
+         echo "= Ok ================================"
+      fi
+   done
+fi