fix docker

Dockerfile

@@ -1,8 +1,21 @@
 FROM node:11
+
 ENV NODE_ENV production
 WORKDIR /usr/src/app
+
 COPY ["package.json", "package-lock.json*", "npm-shrinkwrap.json*", "./"]
 RUN npm install --production --silent && mv node_modules ../
+
 COPY . .
+
 EXPOSE 3000
+
+RUN mkdir -p /data/db
+ENV DB_URL /data/db
+
+RUN mkdir -p /data/sessions
+ENV SESSION_STORE /data/sessions
+
+ENV SECRET_DIRNAME /data
+
 CMD npm start

config/index.js

@@ -8,6 +8,7 @@ module.exports = {
   port: Number(process.env.PORT) || 3000,
   proxyServer: process.env.PROXY_SERVER || undefined,
   secret: process.env.SECRET || require('./secret'),
+  sessionStore: process.env.SESSION_STORE || './sessions',
   sessionMaxAge: Number(process.env.SESSION_MAX_AGE) || 1000 * 60 * 60 * 24 * 7,
   siteTitle: process.env.SITE_TITLE || 'Christmas Community',
   useCDN: yesNo.parse(process.env.USE_CDN || true),

config/secret/index.js

@@ -2,7 +2,7 @@ const uuid = require('uuid/v4');
 const path = require('path');
 const fs = require('fs');
 
-const secretFilePath = path.join(__dirname, 'secret.txt');
+const secretFilePath = path.join((process.env.SECRET_DIRNAME ? process.env.SECRET_DIRNAME : __dirname), 'secret.txt');
 
 try {
   module.exports = fs.readFileSync(secretFilePath).toString();

index.js

@@ -44,7 +44,7 @@ passport.deserializeUser((user, callback) => {
 
 
 const LevelStore = expressSessionLevel(session);
-const sessionDb = level('./sessions')
+const sessionDb = level(config.sessionStore)
 
 app.use(require('body-parser').urlencoded({ extended: true }));
 app.use(session({