docker添加可选的health check功能

Author: Nriver

Dockerfile

@@ -3,9 +3,20 @@ FROM ubuntu:latest
 
 LABEL MAINTAINER https://github.com/Nriver/trilium-translation
 
+# 添加curl jq命令给health check使用
+# 合并RUN减少镜像层数
+# 减少镜像大小 purge清理包列表
+RUN sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list \
+    && apt-get clean \
+    && apt-get update \
+    && apt-get install -y curl jq \
+    && apt-get purge -y --auto-remove \
+    && rm -rf /var/lib/apt/lists/*
+
 ADD trilium-linux-x64-server /app/
 WORKDIR /app
 
 EXPOSE 8080
 
-CMD ["./trilium.sh"]
+CMD ["./trilium.sh"]
+

docker-compose.yml

@@ -11,3 +11,9 @@ services:
     environment:
       # 环境变量表示容器内笔记数据的存储路径
       - TRILIUM_DATA_DIR=/root/trilium-data
+    # 可选功能: 健康检查。需要启用的话，把下面的注释去掉
+    #healthcheck:
+    #  test: ["CMD-SHELL", "curl --fail http://localhost:8080/api/health-check | jq -e '.status == "ok"' || exit 1"]
+    #  interval: 30s
+    #  timeout: 10s
+    #  retries: 3