From 6fb2f837168a8656c33b3396254f02403b56a400 Mon Sep 17 00:00:00 2001
From: Nicolas Varrot <contact@nicolasvarrot.fr>
Date: Fri, 13 Feb 2026 11:12:43 +0000
Subject: [PATCH] fix: add Docker HEALTHCHECK for container health monitoring

- Add HEALTHCHECK instruction to Dockerfile (wget localhost:80, 30s interval)
- Add healthcheck config to docker-compose.yml
- Enables Docker/orchestrator health monitoring and auto-restart on failure
---
 Dockerfile         | 2 ++
 docker-compose.yml | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index b5112c5..f0d9405 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,4 +11,6 @@ FROM nginx:alpine
 COPY --from=build /app/dist /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget -qO /dev/null http://localhost:80/ || exit 1
 CMD ["nginx", "-g", "daemon off;"]
diff --git a/docker-compose.yml b/docker-compose.yml
index d7f1deb..2c0e923 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,3 +6,9 @@ services:
     ports:
       - "3000:80"
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "-qO", "/dev/null", "http://localhost:80/"]
+      interval: 30s
+      timeout: 3s
+      start_period: 5s
+      retries: 3