From 512282e379d8ee701aa4d721f372cbfcc9a14d61 Mon Sep 17 00:00:00 2001
From: Alvie Rahman <alvierahman90@gmail.com>
Date: Fri, 20 Aug 2021 13:21:38 +0100
Subject: [PATCH] add python notes

---
 python.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100755 python.md

diff --git a/python.md b/python.md
new file mode 100755
index 0000000..9e8b24f
--- /dev/null
+++ b/python.md
@@ -0,0 +1,25 @@
+---
+author: Alvie Rahman
+date: \today
+title: Python
+tags: [ docker, python, programming, io ]
+---
+
+# Issues
+
+## No log output when running in docker
+
+Change line beginning with `CMD` from:
+
+```Dockerfile
+CMD [ "python", "app.py" ]
+```
+
+to:
+
+```Dockerfile
+CMD [ "python", "-u", "app.py" ]
+```
+
+This disabled output buffering (stdout and stderr).
+