add Dockerfile docker-compose .dockerignore process.json files.

.dockerignore

@@ -0,0 +1,10 @@
+node_modules
+npm-debug.log
+Dockerfile*
+docker-compose*
+.dockerignore
+.git
+.gitignore
+README.md
+LICENSE
+.vscode

Dockerfile

@@ -0,0 +1,8 @@
+FROM keymetrics/pm2:8-alpine
+ENV NODE_ENV production
+WORKDIR /usr/src/app
+COPY ["package.json", "./"]
+RUN yarn --prod -s && mv node_modules ../
+COPY . .
+EXPOSE 1200
+CMD pm2-runtime start process.json

docker-compose.yml

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+version: '2.1'
+
+services:
+  rsshub:
+    image: rsshub
+    container_name: rsshub
+    build: .
+    environment:
+      NODE_ENV: production
+    ports:
+      - 1200:1200

process.json

@@ -0,0 +1,11 @@
+{
+    "apps": [{
+        "name": "rsshub",
+        "script": "index.js",
+        "instances": "max",
+        "exec_mode": "cluster",
+        "env": {
+            "NODE_ENV": "production"
+        }
+    }]
+}