From c309ef04f2bdb99f725e3912c4dc45c98f29079f Mon Sep 17 00:00:00 2001
From: Gabriel Augendre <gabriel@augendre.info>
Date: Tue, 19 Jun 2018 23:52:48 +0200
Subject: [PATCH] Add healthcheck to manuels

---
 Dockerfile     |  2 ++
 healthcheck.py | 15 +++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 healthcheck.py

diff --git a/Dockerfile b/Dockerfile
index af8008b..1b2887e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,8 @@ COPY . ./
 RUN chmod +x bash/run-prod.sh
 CMD bash/run-prod.sh
 
+HEALTHCHECK CMD ["pipenv", "run", "python", "healthcheck.py"]
+
 ENV DATABASE_URL postgres://postgresql:postgresql@db:5432/manuels
 ENV SECRET_KEY ''
 ENV MAILGUN_ACCESS_KEY ''
diff --git a/healthcheck.py b/healthcheck.py
new file mode 100644
index 0000000..3fef69b
--- /dev/null
+++ b/healthcheck.py
@@ -0,0 +1,15 @@
+import os
+import sys
+
+import requests
+
+
+def main():
+    port = os.getenv('PORT', 8000)
+    res = requests.get(f'http://localhost:{port}/')
+    if res.status_code >= 400:
+        sys.exit(1)
+
+
+if __name__ == '__main__':
+    main()