diff --git a/services/web/.eslintrc b/services/web/.eslintrc
index 5c95c9e4fa..0cb36f3ff3 100644
--- a/services/web/.eslintrc
+++ b/services/web/.eslintrc
@@ -39,7 +39,6 @@
     }
   },
   "rules": {
-    "dot-notation": "off",
     "node/no-callback-literal": "off",
     "node/no-deprecated-api": "off",
     "node/handle-callback-err": "off",
diff --git a/services/web/app.js b/services/web/app.js
index fd10368286..16c49d8229 100644
--- a/services/web/app.js
+++ b/services/web/app.js
@@ -10,10 +10,10 @@
  * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
  */
 const metrics = require('@overleaf/metrics')
-metrics.initialize(process.env['METRICS_APP_NAME'] || 'web')
+metrics.initialize(process.env.METRICS_APP_NAME || 'web')
 const Settings = require('settings-sharelatex')
 const logger = require('logger-sharelatex')
-logger.initialize(process.env['METRICS_APP_NAME'] || 'web')
+logger.initialize(process.env.METRICS_APP_NAME || 'web')
 logger.logger.serializers.user = require('./app/src/infrastructure/LoggerSerializers').user
 logger.logger.serializers.docs = require('./app/src/infrastructure/LoggerSerializers').docs
 logger.logger.serializers.files = require('./app/src/infrastructure/LoggerSerializers').files
@@ -41,7 +41,7 @@ if (!module.parent) {
   // Called directly
 
   // We want to make sure that we provided a password through the environment.
-  if (!process.env['WEB_API_USER'] || !process.env['WEB_API_PASSWORD']) {
+  if (!process.env.WEB_API_USER || !process.env.WEB_API_PASSWORD) {
     throw new Error('No API user and password provided')
   }
   mongodb
diff --git a/services/web/app/src/Features/Authentication/AuthenticationController.js b/services/web/app/src/Features/Authentication/AuthenticationController.js
index 5813b549d2..4bde56200d 100644
--- a/services/web/app/src/Features/Authentication/AuthenticationController.js
+++ b/services/web/app/src/Features/Authentication/AuthenticationController.js
@@ -296,7 +296,7 @@ const AuthenticationController = {
       return next()
     }
 
-    if (req.headers['authorization'] != null) {
+    if (req.headers.authorization != null) {
       AuthenticationController.httpAuth(req, res, next)
     } else if (AuthenticationController.isUserLoggedIn(req)) {
       next()
diff --git a/services/web/app/src/Features/FileStore/FileStoreHandler.js b/services/web/app/src/Features/FileStore/FileStoreHandler.js
index 93ec3af522..ad77f56f4d 100644
--- a/services/web/app/src/Features/FileStore/FileStoreHandler.js
+++ b/services/web/app/src/Features/FileStore/FileStoreHandler.js
@@ -111,8 +111,8 @@ const FileStoreHandler = {
 
   getFileStream(projectId, fileId, query, callback) {
     let queryString = ''
-    if (query != null && query['format'] != null) {
-      queryString = `?format=${query['format']}`
+    if (query != null && query.format != null) {
+      queryString = `?format=${query.format}`
     }
     const opts = {
       method: 'get',
@@ -120,10 +120,10 @@ const FileStoreHandler = {
       timeout: FIVE_MINS_IN_MS,
       headers: {}
     }
-    if (query != null && query['range'] != null) {
-      const rangeText = query['range']
+    if (query != null && query.range != null) {
+      const rangeText = query.range
       if (rangeText && rangeText.match != null && rangeText.match(/\d+-\d+/)) {
-        opts.headers['range'] = `bytes=${query['range']}`
+        opts.headers.range = `bytes=${query.range}`
       }
     }
     const readStream = request(opts)
diff --git a/services/web/app/src/Features/Spelling/SpellingController.js b/services/web/app/src/Features/Spelling/SpellingController.js
index f488f7d246..7932eae880 100644
--- a/services/web/app/src/Features/Spelling/SpellingController.js
+++ b/services/web/app/src/Features/Spelling/SpellingController.js
@@ -30,7 +30,7 @@ module.exports = {
 
     const userId = AuthenticationController.getLoggedInUserId(req)
     url = `/user/${userId}${url}`
-    req.headers['Host'] = Settings.apis.spelling.host
+    req.headers.Host = Settings.apis.spelling.host
     return request({
       url: Settings.apis.spelling.url + url,
       method: req.method,
diff --git a/services/web/app/src/Features/Subscription/FeaturesUpdater.js b/services/web/app/src/Features/Subscription/FeaturesUpdater.js
index c062efae52..889c4ec77a 100644
--- a/services/web/app/src/Features/Subscription/FeaturesUpdater.js
+++ b/services/web/app/src/Features/Subscription/FeaturesUpdater.js
@@ -208,29 +208,26 @@ const FeaturesUpdater = {
       // Special merging logic for non-boolean features
       if (key === 'compileGroup') {
         if (
-          features['compileGroup'] === 'priority' ||
-          featuresB['compileGroup'] === 'priority'
+          features.compileGroup === 'priority' ||
+          featuresB.compileGroup === 'priority'
         ) {
-          features['compileGroup'] = 'priority'
+          features.compileGroup = 'priority'
         } else {
-          features['compileGroup'] = 'standard'
+          features.compileGroup = 'standard'
         }
       } else if (key === 'collaborators') {
-        if (
-          features['collaborators'] === -1 ||
-          featuresB['collaborators'] === -1
-        ) {
-          features['collaborators'] = -1
+        if (features.collaborators === -1 || featuresB.collaborators === -1) {
+          features.collaborators = -1
         } else {
-          features['collaborators'] = Math.max(
-            features['collaborators'] || 0,
-            featuresB['collaborators'] || 0
+          features.collaborators = Math.max(
+            features.collaborators || 0,
+            featuresB.collaborators || 0
           )
         }
       } else if (key === 'compileTimeout') {
-        features['compileTimeout'] = Math.max(
-          features['compileTimeout'] || 0,
-          featuresB['compileTimeout'] || 0
+        features.compileTimeout = Math.max(
+          features.compileTimeout || 0,
+          featuresB.compileTimeout || 0
         )
       } else {
         // Boolean keys, true is better
diff --git a/services/web/app/src/Features/Subscription/RecurlyWrapper.js b/services/web/app/src/Features/Subscription/RecurlyWrapper.js
index ce84c22bad..bcf0167356 100644
--- a/services/web/app/src/Features/Subscription/RecurlyWrapper.js
+++ b/services/web/app/src/Features/Subscription/RecurlyWrapper.js
@@ -992,18 +992,18 @@ const RecurlyWrapper = {
   _parseXml(xml, callback) {
     var convertDataTypes = function(data) {
       let key, value
-      if (data != null && data['$'] != null) {
-        if (data['$']['nil'] === 'nil') {
+      if (data != null && data.$ != null) {
+        if (data.$.nil === 'nil') {
           data = null
-        } else if (data['$'].href != null) {
-          data.url = data['$'].href
-          delete data['$']
-        } else if (data['$']['type'] === 'integer') {
-          data = parseInt(data['_'], 10)
-        } else if (data['$']['type'] === 'datetime') {
-          data = new Date(data['_'])
-        } else if (data['$']['type'] === 'array') {
-          delete data['$']
+        } else if (data.$.href != null) {
+          data.url = data.$.href
+          delete data.$
+        } else if (data.$.type === 'integer') {
+          data = parseInt(data._, 10)
+        } else if (data.$.type === 'datetime') {
+          data = new Date(data._)
+        } else if (data.$.type === 'array') {
+          delete data.$
           let array = []
           for (key in data) {
             value = data[key]
diff --git a/services/web/app/src/Features/User/UserEmailsConfirmationHandler.js b/services/web/app/src/Features/User/UserEmailsConfirmationHandler.js
index 0b9f10342d..95578e761b 100644
--- a/services/web/app/src/Features/User/UserEmailsConfirmationHandler.js
+++ b/services/web/app/src/Features/User/UserEmailsConfirmationHandler.js
@@ -17,7 +17,7 @@ function sendConfirmationEmail(userId, email, emailTemplate, callback) {
 
   // when force-migrating accounts to v2 from v1, we don't want to send confirmation messages -
   // setting this env var allows us to turn this behaviour off
-  if (process.env['SHARELATEX_NO_CONFIRMATION_MESSAGES'] != null) {
+  if (process.env.SHARELATEX_NO_CONFIRMATION_MESSAGES != null) {
     return callback(null)
   }
 
diff --git a/services/web/app/src/Features/User/UserUpdater.js b/services/web/app/src/Features/User/UserUpdater.js
index 8cc752e01b..f3b7945925 100644
--- a/services/web/app/src/Features/User/UserUpdater.js
+++ b/services/web/app/src/Features/User/UserUpdater.js
@@ -189,7 +189,7 @@ async function confirmEmail(userId, email) {
   }
 
   if (Features.hasFeature('affiliations')) {
-    update['$unset'] = {
+    update.$unset = {
       'emails.$.affiliationUnchecked': 1
     }
   }
diff --git a/services/web/app/src/Features/UserMembership/UserMembershipsHandler.js b/services/web/app/src/Features/UserMembership/UserMembershipsHandler.js
index 7e3ca22f6a..73ccc4e653 100644
--- a/services/web/app/src/Features/UserMembership/UserMembershipsHandler.js
+++ b/services/web/app/src/Features/UserMembership/UserMembershipsHandler.js
@@ -51,7 +51,7 @@ const UserMembershipsHandler = {
       callback = function(error) {}
     }
     const removeOperation = { $pull: {} }
-    removeOperation['$pull'][entityConfig.fields.write] = userId
+    removeOperation.$pull[entityConfig.fields.write] = userId
     return EntityModels[entityConfig.modelName].updateMany(
       {},
       removeOperation,
diff --git a/services/web/frontend/js/ide/pdf/controllers/PdfController.js b/services/web/frontend/js/ide/pdf/controllers/PdfController.js
index bc2aec2bb7..08df2273b3 100644
--- a/services/web/frontend/js/ide/pdf/controllers/PdfController.js
+++ b/services/web/frontend/js/ide/pdf/controllers/PdfController.js
@@ -270,7 +270,7 @@ App.controller('PdfController', function(
     const url = `/project/${$scope.project_id}/compile`
     const params = {}
     if (options.isAutoCompileOnLoad || options.isAutoCompileOnChange) {
-      params['auto_compile'] = true
+      params.auto_compile = true
     }
     // if the previous run was a check, clear the error logs
     if ($scope.check) {
diff --git a/services/web/modules/launchpad/app/src/LaunchpadRouter.js b/services/web/modules/launchpad/app/src/LaunchpadRouter.js
index b24ce3bf88..7965c72db0 100644
--- a/services/web/modules/launchpad/app/src/LaunchpadRouter.js
+++ b/services/web/modules/launchpad/app/src/LaunchpadRouter.js
@@ -17,7 +17,7 @@ const AuthorizationMiddleware = require('../../../../app/src/Features/Authorizat
 
 module.exports = {
   apply(webRouter, apiRouter) {
-    if (Settings.disableModule['launchpad']) {
+    if (Settings.disableModule.launchpad) {
       logger.log({}, 'Skipping Init launchpad router')
       return
     }
diff --git a/services/web/scripts/helpers/batchedUpdate.js b/services/web/scripts/helpers/batchedUpdate.js
index d62f7fc10c..b9f032a117 100644
--- a/services/web/scripts/helpers/batchedUpdate.js
+++ b/services/web/scripts/helpers/batchedUpdate.js
@@ -10,7 +10,7 @@ if (process.env.BATCH_LAST_ID) {
 async function getNextBatch(collection, query, maxId, projection) {
   maxId = maxId || BATCH_LAST_ID
   if (maxId) {
-    query['_id'] = { $gt: maxId }
+    query._id = { $gt: maxId }
   }
   const entries = await collection
     .find(query)
diff --git a/services/web/scripts/recurly/resync_subscriptions.js b/services/web/scripts/recurly/resync_subscriptions.js
index b08296bba0..e433315d9a 100644
--- a/services/web/scripts/recurly/resync_subscriptions.js
+++ b/services/web/scripts/recurly/resync_subscriptions.js
@@ -16,11 +16,11 @@ const ScriptLogger = {
   recordMismatch: (subscription, recurlySubscription) => {
     const mismatchReasons = {}
     if (subscription.planCode !== recurlySubscription.plan.plan_code) {
-      mismatchReasons['recurlyPlan'] = recurlySubscription.plan.plan_code
-      mismatchReasons['olPlan'] = subscription.planCode
+      mismatchReasons.recurlyPlan = recurlySubscription.plan.plan_code
+      mismatchReasons.olPlan = subscription.planCode
     }
     if (recurlySubscription.state === 'expired') {
-      mismatchReasons['state'] = 'expired'
+      mismatchReasons.state = 'expired'
     }
 
     if (!Object.keys(mismatchReasons).length) {
diff --git a/services/web/test/acceptance/src/SecurityHeadersTests.js b/services/web/test/acceptance/src/SecurityHeadersTests.js
index a6d16ff9fd..57dad1518a 100644
--- a/services/web/test/acceptance/src/SecurityHeadersTests.js
+++ b/services/web/test/acceptance/src/SecurityHeadersTests.js
@@ -31,16 +31,16 @@ const assert_has_cache_headers = function(response) {
     headers['cache-control'],
     'no-store, no-cache, must-revalidate, proxy-revalidate'
   )
-  assert.equal(headers['pragma'], 'no-cache')
-  return assert.equal(headers['expires'], '0')
+  assert.equal(headers.pragma, 'no-cache')
+  return assert.equal(headers.expires, '0')
 }
 
 const assert_has_no_cache_headers = function(response) {
   const { headers } = response
   assert.isUndefined(headers['surrogate-control'])
   assert.isUndefined(headers['cache-control'])
-  assert.isUndefined(headers['pragma'])
-  return assert.isUndefined(headers['expires'])
+  assert.isUndefined(headers.pragma)
+  return assert.isUndefined(headers.expires)
 }
 const assert_has_asset_caching_headers = function(response) {
   const { headers } = response
diff --git a/services/web/test/acceptance/src/helpers/User.js b/services/web/test/acceptance/src/helpers/User.js
index 7827c463fc..0401486e75 100644
--- a/services/web/test/acceptance/src/helpers/User.js
+++ b/services/web/test/acceptance/src/helpers/User.js
@@ -328,7 +328,7 @@ class User {
               name,
               options,
               response.statusCode,
-              response.headers['location'],
+              response.headers.location,
               body
             ])
           )
diff --git a/services/web/test/acceptance/src/helpers/UserHelper.js b/services/web/test/acceptance/src/helpers/UserHelper.js
index 45c9afe568..86d8606dd4 100644
--- a/services/web/test/acceptance/src/helpers/UserHelper.js
+++ b/services/web/test/acceptance/src/helpers/UserHelper.js
@@ -152,7 +152,7 @@ class UserHelper {
    * @returns {string} baseUrl
    */
   static baseUrl() {
-    return `http://${process.env['HTTP_TEST_HOST'] || 'localhost'}:3000`
+    return `http://${process.env.HTTP_TEST_HOST || 'localhost'}:3000`
   }
 
   /* static async instantiation methods */
diff --git a/services/web/test/acceptance/src/helpers/request.js b/services/web/test/acceptance/src/helpers/request.js
index 3362b1b445..b3f0dc12cc 100644
--- a/services/web/test/acceptance/src/helpers/request.js
+++ b/services/web/test/acceptance/src/helpers/request.js
@@ -1,6 +1,6 @@
 // TODO: This file was created by bulk-decaffeinate.
 // Sanity-check the conversion and remove this comment.
-const BASE_URL = `http://${process.env['HTTP_TEST_HOST'] || 'localhost'}:3000`
+const BASE_URL = `http://${process.env.HTTP_TEST_HOST || 'localhost'}:3000`
 const request = require('request').defaults({
   baseUrl: BASE_URL,
   followRedirect: false
diff --git a/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js b/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js
index d215047b0b..d1121951c8 100644
--- a/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js
+++ b/services/web/test/unit/src/Analytics/AnalyticsControllerTests.js
@@ -87,7 +87,7 @@ describe('AnalyticsController', function() {
       this.AuthenticationController.getLoggedInUserId.returns('1234')
       this.controller.recordEvent(this.req, this.res)
       this.AnalyticsManager.recordEvent
-        .calledWith('1234', this.req.params['event'], this.req.body)
+        .calledWith('1234', this.req.params.event, this.req.body)
         .should.equal(true)
       done()
     })
@@ -95,7 +95,7 @@ describe('AnalyticsController', function() {
     it('should use the session id', function(done) {
       this.controller.recordEvent(this.req, this.res)
       this.AnalyticsManager.recordEvent
-        .calledWith(this.req.sessionID, this.req.params['event'], this.req.body)
+        .calledWith(this.req.sessionID, this.req.params.event, this.req.body)
         .should.equal(true)
       done()
     })
@@ -119,10 +119,10 @@ describe('AnalyticsController', function() {
       this.controller.licences(this.req, this.res)
       this.InstitutionsAPI.getInstitutionLicences
         .calledWith(
-          this.req.query['resource_id'],
-          this.req.query['start_date'],
-          this.req.query['end_date'],
-          this.req.query['lag']
+          this.req.query.resource_id,
+          this.req.query.start_date,
+          this.req.query.end_date,
+          this.req.query.lag
         )
         .should.equal(true)
       done()
diff --git a/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js b/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js
index dce6d994d2..481894e91f 100644
--- a/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js
+++ b/services/web/test/unit/src/Authentication/AuthenticationControllerTests.js
@@ -685,7 +685,7 @@ describe('AuthenticationController', function() {
 
     describe('with http auth', function() {
       beforeEach(function() {
-        this.req.headers['authorization'] = 'Mock Basic Auth'
+        this.req.headers.authorization = 'Mock Basic Auth'
         this.AuthenticationController.requireGlobalLogin(
           this.req,
           this.res,
@@ -898,12 +898,10 @@ describe('AuthenticationController', function() {
     })
 
     it("should update the user's login count and last logged in date", function() {
-      this.UserUpdater.updateUser.args[0][1]['$set'][
-        'lastLoggedIn'
-      ].should.not.equal(undefined)
-      this.UserUpdater.updateUser.args[0][1]['$inc']['loginCount'].should.equal(
-        1
+      this.UserUpdater.updateUser.args[0][1].$set.lastLoggedIn.should.not.equal(
+        undefined
       )
+      this.UserUpdater.updateUser.args[0][1].$inc.loginCount.should.equal(1)
     })
 
     it('should call the callback', function() {
diff --git a/services/web/test/unit/src/Chat/ChatControllerTests.js b/services/web/test/unit/src/Chat/ChatControllerTests.js
index f1650a302f..fea1ff0ec9 100644
--- a/services/web/test/unit/src/Chat/ChatControllerTests.js
+++ b/services/web/test/unit/src/Chat/ChatControllerTests.js
@@ -149,7 +149,7 @@ describe('ChatController', function() {
       }
       sinon.spy(this.UserInfoManager, 'getPersonalInfo')
       return (this.UserInfoController.formatPersonalInfo = user => ({
-        formatted: user['mock']
+        formatted: user.mock
       }))
     })
 
diff --git a/services/web/test/unit/src/FileStore/FileStoreHandlerTests.js b/services/web/test/unit/src/FileStore/FileStoreHandlerTests.js
index 7e9552a720..3356834b6d 100644
--- a/services/web/test/unit/src/FileStore/FileStoreHandlerTests.js
+++ b/services/web/test/unit/src/FileStore/FileStoreHandlerTests.js
@@ -363,7 +363,7 @@ describe('FileStoreHandler', function() {
             this.request.callCount.should.equal(1)
             const { headers } = this.request.firstCall.args[0]
             expect(headers).to.have.keys('range')
-            expect(headers['range']).to.equal('bytes=0-10')
+            expect(headers.range).to.equal('bytes=0-10')
             done()
           }
         )
diff --git a/services/web/test/unit/src/History/HistoryControllerTests.js b/services/web/test/unit/src/History/HistoryControllerTests.js
index dbb0215fc6..7b48d29d7d 100644
--- a/services/web/test/unit/src/History/HistoryControllerTests.js
+++ b/services/web/test/unit/src/History/HistoryControllerTests.js
@@ -185,7 +185,7 @@ describe('HistoryController', function() {
     describe('with an error', function() {
       beforeEach(function() {
         this.HistoryController.proxyToHistoryApi(this.req, this.res, this.next)
-        return this.proxy.events['error'].call(
+        return this.proxy.events.error.call(
           this.proxy,
           (this.error = new Error('oops'))
         )
diff --git a/services/web/test/unit/src/Institutions/InstitutionsAPITests.js b/services/web/test/unit/src/Institutions/InstitutionsAPITests.js
index fbea95973d..a90962a6b7 100644
--- a/services/web/test/unit/src/Institutions/InstitutionsAPITests.js
+++ b/services/web/test/unit/src/Institutions/InstitutionsAPITests.js
@@ -117,8 +117,8 @@ describe('InstitutionsAPI', function() {
           const expectedUrl = `v1.url/api/v2/institutions/${this.institutionId}/institution_licences`
           requestOptions.url.should.equal(expectedUrl)
           requestOptions.method.should.equal('GET')
-          requestOptions.body['start_date'].should.equal(startDate)
-          requestOptions.body['end_date'].should.equal(endDate)
+          requestOptions.body.start_date.should.equal(startDate)
+          requestOptions.body.end_date.should.equal(endDate)
           requestOptions.body.lag.should.equal('monthly')
           body.should.equal(responseBody)
           return done()
diff --git a/services/web/test/unit/src/UserMembership/UserMembershipControllerTests.js b/services/web/test/unit/src/UserMembership/UserMembershipControllerTests.js
index f791170ffc..6bda8eea37 100644
--- a/services/web/test/unit/src/UserMembership/UserMembershipControllerTests.js
+++ b/services/web/test/unit/src/UserMembership/UserMembershipControllerTests.js
@@ -343,14 +343,14 @@ describe('UserMembershipController', function() {
   describe('create', function() {
     beforeEach(function() {
       this.req.params.name = 'institution'
-      this.req.entityConfig = EntityConfigs['institution']
+      this.req.entityConfig = EntityConfigs.institution
       return (this.req.params.id = 123)
     })
 
     it('creates institution', function(done) {
       return this.UserMembershipController.create(this.req, {
         redirect: path => {
-          expect(path).to.eq(EntityConfigs['institution'].pathsFor(123).index)
+          expect(path).to.eq(EntityConfigs.institution.pathsFor(123).index)
           sinon.assert.calledWithMatch(
             this.UserMembershipHandler.createEntity,
             123,