From c91a3ecd41230e12ea5ac1eb967496ff680470d8 Mon Sep 17 00:00:00 2001
From: Martijn Suijlen <37180297+BlueIcarus@users.noreply.github.com>
Date: Mon, 30 Mar 2020 05:40:39 +0200
Subject: [PATCH] docker: Add a healthcheck (#152)

Use the INBUCKET_WEB_ADDR value to get the port number of Inbucket using 'cut'. If the variable is not set, use the default value (and that is 0.0.0.0:9000). Healtcheck will check the exit code of the command executed (0=HEALTHY)
---
 Dockerfile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index dc5ef6e..e15adea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,6 +44,9 @@ ENV INBUCKET_STORAGE_PARAMS path:/storage
 ENV INBUCKET_STORAGE_RETENTIONPERIOD 72h
 ENV INBUCKET_STORAGE_MAILBOXMSGCAP 300
 
+# Healthcheck
+HEALTHCHECK --interval=5s --timeout=5s --retries=3 CMD /bin/sh -c 'wget localhost:$(echo ${INBUCKET_WEB_ADDR:-0.0.0.0:9000}|cut -d: -f2) -q -O - > /dev/null 2>&1'
+
 # Ports: SMTP, HTTP, POP3
 EXPOSE 2500 9000 1100