Heroku dev deps (#19431)

* fix: req.csrfToken doesn't always exist (e.g. 500 page)

* feat: update dockerfile and add nextjs to build

* fix: run linter

* move @babel deps -> dev deps

* move webpack looking things from deps -> dev deps

* move pa11y-ci to optional dep

* explicitly include optional deps for pa11y

* allow heroku dev deps to be installed

* fix: update postcss module

* fix: update dockerfile build

* tmp: disable renderReact

* see if another deploy is slower/faster

* move a few more packages to devDeps

* upgrade to package-lock v2

* use dayjs instead of date-fns

* move cross-env to devDeps

* remove unused 'del' package

* commit husky precommit hooks

* add hrtime to clone-for-build.js

* Revert "add hrtime to clone-for-build.js"

This reverts commit 70ee647bacce833f4ed2f621f62c63c1d85e5413.

* update babel/eslint

* fix: remove unused plugin

* try a .slugignore

* fix: heroku-postbuild to use npm run build

* fix: i cannot spell dereferenced

* add .next/cache to heroku cacheDirectories

* test cached build

* remove aws-sdk, see what breaks

* move jest-puppeteer to optional deps

* fix: update browser-test.yml to use newer node version

* move jimp to optional dependencies

* move puppeteer to optional dependencies

* fix: ci optional include

* fix: bad copy pasta

* remove previous react experiment

* update tests/README.md with note about optional deps

* bump node test version back to 14

* convert package-lock back to v1

* fix: use node 15.x to leverage npm optional deps

* fix: optional dep install

* test: see what happens with heroku/nodejs-typescript buildpack

* back to heroku/nodejs buildpack

* move jest to optional

* revert jest move

* remove .slugignore

* cleanup dockerfile, move xlsx-population to optional, add comment about optional deps

* Update Dockerfile

Co-authored-by: James M. Greene <JamesMGreene@github.com>

Co-authored-by: James M. Greene <JamesMGreene@github.com>

.github/workflows/browser-test.yml

@@ -39,7 +39,7 @@ jobs:
             ${{ runner.os }}-node-
 
       - name: Install dependencies
-        run: npm ci
+        run: npm ci --include=optional
 
       - name: Run brower-test
         run: npm run browser-test

.github/workflows/build-docker-image.yml

@@ -23,4 +23,4 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
       - name: Build the container
-        run: docker build .
+        run: docker build --target production .

.github/workflows/pa11y.yml

@@ -35,7 +35,7 @@ jobs:
             ${{ runner.os }}-node-
 
       - name: Install dependencies
-        run: npm ci
+        run: npm ci --include=optional
 
       - name: Run build scripts
         run: npm run build