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To forward X11 from inside a docker container to a host running macOS

1. Install XQuartz: https://www.xquartz.org/
2. Launch XQuartz. Under the XQuartz menu, select Preferences
3. Go to the security tab and ensure "Allow connections from network clients" is checked.
4. Run xhost + ${hostname} to allow connections to the macOS host *
5. Setup a HOSTNAME env var export HOSTNAME=`hostname`*
6. Add the following to your docker-compose:

 environment:

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ARG VARIANT="16-bullseye"
FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:${VARIANT}

# ALTERNATIVE for GnuPG/MacGPG2 2.2.27 related to https://github.com/microsoft/vscode-remote-release/issues/5527
# publickeys.asc is created by initializeCommand's script
COPY --chown=node:node ./publickeys.asc /tmp/

# only imports usable & necessary signatures into keybox
RUN su node -c "gpg --import-filter drop-sig='expired == 0' --import-options import-clean --import /tmp/publickeys.asc" \
    && rm /tmp/publickeys.asc

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How to install a man page into a node.js app

Installing a man page is not easy as there are little infos out there about it.

After a lot of trial and error, google searches and alpha publishing my app I finally have a collection of things I need to do to get it working:

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TS-JEST & JEST-EXTENDED SUPPORT

This gist is designed to explain how to configure a project where you have your test code separated from your codebase. The project file structure looks a bit like this:

project
├─┬ lib                    # could be src
│ ├── globals.d.ts         # source code specific type declarations
│ └── index.ts
├─┬ tests