Use memorystore (#55)

* replace session-memory-store with memorystore package

* apply npm audit fix

* remove login apps with expired key

* use node:10-alpine image

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:7-alpine
+FROM node:10-alpine
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 COPY package.json /usr/src/app/

example/nextjs/pages/login.js

@@ -26,7 +26,7 @@ const Login = ({profile, origin}) => {
   const redirect = encodeURIComponent(origin + '/')
   return (
     <div className='section'>
-      { !profile && ['Twitter', 'Google', 'GitHub', 'Reddit', 'Facebook', 'LinkedIn', 'Instagram'].map(service => (
+      { !profile && ['Google', 'GitHub', 'Reddit', 'LinkedIn', 'Instagram'].map(service => (
         <LoginWith key={service} service={service} redirect={redirect} />
         ))
       }

index.js

@@ -2,7 +2,7 @@ const express = require('express')
 const passport = require('passport')
 const cookieParser = require('cookie-parser')
 const expressSession = require('express-session')
-const MemoryStore = require('session-memory-store')(expressSession)
+const MemoryStore = require('memorystore')(expressSession)
 
 const opts = require('./src/opts')(process.argv, process.env)
 
@@ -37,7 +37,9 @@ app.use(expressSession({
   secret: opts.sessionSecret,
   resave: false,
   saveUninitialized: false,
-  store: new MemoryStore()
+  store: new MemoryStore({
+    checkPeriod: 1000 * 60 * 3 // 3 minutes
+  })
 }))
 app.use(passport.initialize())