After uninstalling the native versions of nodejs and npm from debian 10, I installed nodejs 16.14.0 thus:

cd ~
curl -sL https://deb.nodesource.com/setup_16.x -o nodesource_setup.sh
sudo bash nodesource_setup.sh
sudo apt-get install -y nodejs

From the project directory I initialized the project and installed express.js and pug using a special option to avoid a stupid error:

npm init
npm install express --no-bin-links
npm install pug --no-bin-links

At this point I moved this directory from my nas to 'Desktop'. The nas may have been responsible for the bin-linking error above.

I then setup sqlite; the then current npm package required an audit fix, resulting in its downgrade to 4.2.0:

sudo apt install sqlite3
npm install sqlite3
npm audit fix --force

I then installed next.js and turned off its sickening telemetry anti-feature:

npm install next react react-dom
npx next telemetry disable

I then installed nodegit, which unfortunately required a seperate package:

sudo apt-get install libkrb5-dev
npm install nodegit

I then installed and initialized tailwind css:

npm install -D tailwindcss postcss autoprefixer
npx tailwindcss init -p

I then installed highlight.js:

npm install highlight.js
npm audit fix --force

React icons:

npm install react-icons

React markdown and remark gfm:

npm install react-markdown
npm install remark-gfm

At this point, I encountered some serious app crashing errors including segmentation faults and the following:

    #
    # Fatal error in , line 0
    # unreachable code
    #
    #
    #
    #FailureMessage Object: 0x7f07148347f0
    1: 0xb77051  [node]


    #
    # Fatal error in , line 0
    # unreachable code
    #
    #
    #
    #FailureMessage Object: 0x7fff56148ac0
    2: 0x1c0a9b4 V8_Fatal(char const*, ...) [node]
    1: 0xb77051  [node]
    3: 0xe727c3 v8::internal::ConcurrentMarking::Run(v8::JobDelegate*, v8::base::EnumSet<v8::internal::CodeFlushMode, int>, unsigned int, bool) [node]
    2: 0x1c0a9b4 V8_Fatal(char const*, ...) [node]
    4: 0xe72d87 v8::internal::ConcurrentMarking::JobTask::Run(v8::JobDelegate*) [node]
    3: 0xef0f06 std::pair<unsigned long, unsigned long> v8::internal::MarkCompactCollector::ProcessMarkingWorklist<(v8::internal::MarkCompactCollector::MarkingWorklistProcessingMode)0>(unsigned long) [node]
    5: 0x18e6ff4 v8::platform::DefaultJobWorker::Run() [node]
    4: 0xef5af4 v8::internal::MarkCompactCollector::MarkLiveObjects() [node]
    6: 0xb771f5  [node]
    5: 0xefed58 v8::internal::MarkCompactCollector::CollectGarbage() [node]
    7: 0x7f0715a05fa3  [/lib/x86_64-linux-gnu/libpthread.so.0]
    6: 0xebf519 v8::internal::Heap::MarkCompact() [node]
    8: 0x7f0715936eff clone [/lib/x86_64-linux-gnu/libc.so.6]
    Trace/breakpoint trap

I rebuilt the .node binaries:

npm rebuild

Installed segfault handler:

npm install segfault-handler