改进Docker的使用方式 (#272)

* 改进Docker的使用方式(https://github.com/DIYgod/RSSHub/issues/271)

* ignore npm lockfile, config dir desc file

* Accept with the advice of the maintainer

.gitignore

@@ -4,3 +4,6 @@ error.log
 combined.log
 .vscode
 docs/.vuepress/dist
+
+config/app.json
+config/config.js

.prettierignore

@@ -1,2 +1,3 @@
 package.json
 docs/.vuepress/dist
+package-lock.json

Dockerfile

@@ -1,8 +1,14 @@
-FROM keymetrics/pm2:8-alpine
+FROM node:10.3.0-slim
+
+MAINTAINER soulteary<soulteary@gmail.com>
+
 ENV NODE_ENV production
+
 WORKDIR /usr/src/app
-COPY ["package.json", "./"]
-RUN yarn --ignore-engines --prod -s && mv node_modules ../
-COPY . .
-EXPOSE 1200
-CMD pm2-runtime start process.json
+
+ADD ./package.json  .
+
+ARG USE_CHINA_NPM_REGISTRY=0
+RUN if [ "$USE_CHINA_NPM_REGISTRY" = 1 ]; then echo 'use npm mirror'; npm install --production --vb --registry=https://registry.npm.taobao.org; else npm install --production; fi;
+
+ADD . .

docker-compose.yml

@@ -1,23 +1,35 @@
 version: '2.1'
 
 services:
+
   rsshub:
+    build:
+      dockerfile: ./Dockerfile
+      context: .
+      args:
+        # 是否在构建过程中使用淘宝NPM源进行加速
+        USE_CHINA_NPM_REGISTRY: 0
+    restart: always
     image: rsshub
-    container_name: rsshub
-    build: .
+    ports:
+      - 1200:1200
     environment:
       NODE_ENV: production
       CACHE_TYPE: redis
       REDIS_URL: 'redis://redis:6379/'
-    ports:
-      - 1200:1200
+    command: node index.js
     links:
       - redis
+    volumes:
+      - ./config/app.json:/usr/src/app/app.json
+      - ./config/config.js:/usr/src/app/config.json
+    depends_on:
+      - redis
 
   redis:
-    image: redis:alpine
+    image: redis:4.0.9-alpine
     volumes:
-      - redis-data:/data
+        - redis-data:/data
 
 volumes:
   redis-data: