Confirmation webapp healthcheck

Dockerfile

@@ -63,5 +63,6 @@ CMD celery -A src.celery worker -c ${CONCURENCY:-4} -n "${celery}@%h" --max-task
 #
 FROM base as web
 COPY --from=uwsgi-compile /uwsgi /usr/local/bin/
+HEALTHCHECK CMD wget -q -O /dev/null http://localhost:8000/healthcheck/ || exit 1
 CMD uwsgi --master --http :8000 --module src.web:app
 

Makefile

@@ -13,3 +13,6 @@ dev:
 
 worker:
 	poetry run watchmedo auto-restart --directory src --patterns '*.py' --recursive -- celery -- -A src.celery worker --purge
+
+web:
+	poetry run flask --app src.web run --debug --port 8090

src/web.py

@@ -1,3 +1,6 @@
+import os
+
+import kombu
 from dotenv import load_dotenv
 from flask import Flask, render_template
 
@@ -22,3 +25,10 @@ def confirm(key: str) -> str:
     user.save()
 
     return render_template("html/confirmation_ok.html")
+
+
+@app.route("/healthcheck/")
+def healthcheck() -> str:
+    with kombu.Connection(os.getenv("CELERY_BROKER_URL")) as connection:
+        connection.connect()
+        return "ok"