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docker/entrypoint.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+mkdir -p instance
+
+export FLASK_APP=app.py
+
+if [[ "${DATABASE_URL:-}" != "" ]]; then
+  echo "[mikromon] waiting for database"
+  python - <<'PY'
+import os, time
+from sqlalchemy import create_engine
+
+url = os.environ.get("DATABASE_URL")
+engine = create_engine(url, pool_pre_ping=True)
+for i in range(60):
+    try:
+        with engine.connect() as c:
+            c.exec_driver_sql("SELECT 1")
+        break
+    except Exception:
+        time.sleep(1)
+else:
+    raise SystemExit("DB not reachable")
+PY
+fi
+
+echo "[mikromon] applying migrations"
+MIKROMON_MIGRATING=1 flask db upgrade
+
+echo "[mikromon] starting app"
+exec python app.py