From 1f10e0df96f1e65250d410b7080d96e67a9748bc Mon Sep 17 00:00:00 2001
From: Bernard Tolosa <bernardotolosajr@gmail.com>
Date: Wed, 18 Apr 2018 16:57:51 +0800
Subject: [PATCH] Added support docker healthcheck (#42)

* added docker health check support
---
 Dockerfile     | 8 ++++++++
 healthcheck.js | 9 +++++++++
 package.json   | 1 +
 3 files changed, 18 insertions(+)
 create mode 100644 healthcheck.js

diff --git a/Dockerfile b/Dockerfile
index 47dd7a42c..65d4551f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,5 +7,13 @@ RUN npm config set unsafe-perm=true
 RUN npm i -g macaca-datahub
 
 COPY ./entrypoint.sh /entrypoint.sh
+COPY ./healthcheck.js /healthcheck.js
+
+# Only run npm install if these files change.
+ADD ./package.json /package.json
+
+RUN npm install
+
+HEALTHCHECK CMD node /healthcheck.js || exit 1
 
 ENTRYPOINT ["/entrypoint.sh"]
diff --git a/healthcheck.js b/healthcheck.js
new file mode 100644
index 000000000..53aea04c6
--- /dev/null
+++ b/healthcheck.js
@@ -0,0 +1,9 @@
+'use strict';
+
+const request = require('request');
+
+request('http://0.0.0.0:9200', error => {
+  if (error) {
+    throw error;
+  }
+});
diff --git a/package.json b/package.json
index d9b9c9146..a4cadbbbb 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "macaca-logo": "^1.0.0",
     "mz": "^2.7.0",
     "npm-update": "^1.0.6",
+    "request": "^2.85.0",
     "semver": "^5.5.0",
     "socket.io": "^2.0.4",
     "sqlite3": "^3.1.13",