gealogiuya

deployments/compose/django/entrypoint

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# if any of the commands in your code fails for any reason, the entire script fails
+set -o errexit
+# fail exit if one of your pipe command fails
+set -o pipefail
+# exits if any of your variables is not set
+set -o nounset
+
+postgres_ready() {
+python << END
+import sys
+
+import psycopg2
+
+try:
+    psycopg2.connect(
+        dbname="${POSTGRES_DB}",
+        user="${POSTGRES_USER}",
+        password="${POSTGRES_PASSWORD}",
+        host="${POSTGRES_HOST}",
+        port="${POSTGRES_PORT}",
+    )
+except psycopg2.OperationalError:
+    sys.exit(-1)
+sys.exit(0)
+
+END
+}
+until postgres_ready; do
+  >&2 echo 'Waiting for PostgreSQL to become available...'
+  sleep 1
+done
+>&2 echo 'PostgreSQL is available'
+
+exec "$@"