Added basic docker support.

.gitignore

@@ -4,3 +4,4 @@ config/*
 !config/configuration.js
 !config.schema.js
 credentials.*
+config*.yml

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:18.19.0
+
+ENV APP_DIR=/app
+ENV CONFIG_DIR=/config
+ENV LOGS_DIR=/logs
+ENV WEB_PORT=9011
+
+RUN mkdir -p ${APP_DIR}/node_modules
+
+WORKDIR ${APP_DIR}
+COPY package*.json ./
+RUN npm install
+COPY . .
+
+EXPOSE ${WEB_PORT}
+
+CMD [ "node", "app.js" ]

app.js

@@ -36,7 +36,7 @@ const limiter = rateLimit({
 app.use(helmet());
 app.use(limiter);
 
-const PORT = process.env.PORT || config.web.port || 9111;
+const PORT = config.web.port || 9011;
 app.listen(PORT, () => {
   logger.info("Listening to port " + PORT + ".");
 });

config/configuration.js

@@ -1,7 +1,9 @@
 const Ajv = require("ajv");
 const fs = require("fs");
+const docker = require("../utils/docker");
 const logger = require("../services/logging");
 const yaml = require("js-yaml");
+const { exit } = require("process");
 
 const configurationBase = {
   plex: {
@@ -30,11 +32,12 @@ const configurationBase = {
   }
 };
 
-const configurationFile = yaml.load(fs.readFileSync('config/config.yml'), yaml.JSON_SCHEMA);
+const isDocker = docker.isRunningOnDocker();
+const configPath = isDocker ? `${process.env.CONFIG_DIR}/config.yml` : "config.yml";
+const configurationFile = yaml.load(fs.readFileSync(configPath), yaml.JSON_SCHEMA);
 
 const ajv = new Ajv({ allErrors: true });
 const schema = require("./config.schema");
-const { exit } = require("process");
 const validation = ajv.compile(schema);
 const valid = validation(configurationFile);
 
@@ -44,4 +47,7 @@ if (!valid) {
 }
 
 const configuration = { ...configurationBase, ...configurationFile }
+
+configuration.web.port ||= process.env.WEB_PORT;
+
 module.exports = configuration;

services/logging.js

@@ -1,5 +1,9 @@
+const docker = require("../utils/docker");
+const path = require("path");
 const pino = require("pino");
-const logger = pino(pino.destination({ dest: 'logs/.log', sync: false }));
+
+const directory = docker.isRunningOnDocker() ? process.env.LOGS_DIR : "logs";
+const logger = pino(pino.destination({ dest: path.join(directory, '.log'), sync: false }));
 
 const environment = process.env.NODE_ENV || 'development';
 if (environment == "production") {

utils/docker.js

@@ -0,0 +1,13 @@
+const fs = require("fs");
+
+function isRunningOnDocker() {
+  try {
+    return fs.existsSync("/.dockerenv");
+  } catch { }
+  return false;
+}
+
+
+module.exports = {
+  isRunningOnDocker
+}