From ed6fa9400a1283c6d33d4fd7983caa383d0e084a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20M=C3=BCller?= <mu.stefan@googlemail.com>
Date: Mon, 19 Jul 2021 23:00:15 +0200
Subject: [PATCH] Add healthcheck to Dockerfile

---
 Dockerfile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index 85b673fd..c6339ae7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -63,6 +63,7 @@ RUN export DEBIAN_FRONTEND=noninteractive; \
     apt-get -qq --no-install-recommends install \
         ca-certificates \
         git \
+        curl \
         ${INSTALL_ABIWORD:+abiword} \
         ${INSTALL_SOFFICE:+libreoffice} \
         && \
@@ -94,5 +95,7 @@ COPY --chown=etherpad:etherpad ./settings.json.docker "${EP_DIR}"/settings.json
 # Fix group permissions
 RUN chmod -R g=u .
 
+HEALTHCHECK --interval=20s --timeout=3s CMD curl -f http://localhost:9001 || exit 1
+
 EXPOSE 9001
 CMD ["node", "src/node/server.js"]