From 62f0bf04eeea9e6fb54f883833dcfbf070326b5e Mon Sep 17 00:00:00 2001
From: Chris Plaatjes <kizaing@gmail.com>
Date: Wed, 26 Jan 2022 13:51:03 -0500
Subject: [PATCH] Docker Healthcheck (#994)

* Implemented healthchecks into the docker files

* Added healthcheck entry in Dockerfile
---
 Dockerfile         | 4 +++-
 docker-compose.yml | 8 ++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 82fd49132..faff119ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ COPY --from=copytask /files/wwwroot /kavita/wwwroot
 
 #Installs program dependencies
 RUN apt-get update \
-  && apt-get install -y libicu-dev libssl1.1 libgdiplus \
+  && apt-get install -y libicu-dev libssl1.1 libgdiplus curl\
   && rm -rf /var/lib/apt/lists/*
 
 COPY entrypoint.sh /entrypoint.sh
@@ -29,5 +29,7 @@ EXPOSE 5000
 
 WORKDIR /kavita
 
+HEALTHCHECK --interval=300s --timeout=15 --start-period=30s --retries=3 CMD curl --fail http://localhost:5000 || exit 1
+
 ENTRYPOINT [ "/bin/bash" ]
 CMD ["/entrypoint.sh"]
diff --git a/docker-compose.yml b/docker-compose.yml
index fd6d9b8a6..e75c9b0c0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,3 +9,11 @@ services:
         ports:
             - "5000:5000"
         restart: unless-stopped
+        
+        #Uncomment if you want to implement healthchecks
+        #healthcheck:
+        #   test: curl --fail http://localhost:5000 || exit 1
+        #   interval: 300s
+        #   retries: 3
+        #   start_period: 30s
+        #   timeout: 15s