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Installing and running Homebrew under Ubuntu in Docker

Reference

https://docs.brew.sh/Homebrew-on-Linux

Create an image

<< 'eof' docker image build --tag homebrew -f- .

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Installing Docker on Windows without Docker Desktop

WSL2 [1]

Newer versions of Windows

Open PowerShell with Admin rights and run wsl --install -d Ubuntu-22.04.

Older versions of Windows

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Building Selenium in Docker

Create Dockerfile

cat <<'eof' > Dockerfile
# Use an Ubuntu as a parent image
FROM ubuntu:22.04

# Set the shell

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Build Anaconda in Docker

Build the image

cat <<'eof' > Dockerfile
FROM ubuntu:22.04

RUN apt-get update && \
    apt-get install -y \
      curl \

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pg4admin in Docker

Adapted from https://www.pgadmin.org/download/pgadmin-4-python/

docker run -d --name build_pg4admin ubuntu:22.04 sleep inf

{ cat <<'eof'
apt-get update && apt-get install -y python3-pip

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Creating a data-only Docker image

echo "Hello, world" > data.txt

{ cat <<'eof'
from scratch
workdir /data
copy data.txt .
eof

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Proccess and kill signals

These are best practiced in a virtual environment. Docker will do.

$ docker run --rm -it ubuntu /bin/bash

Here we create a background process, capture its process id ( PID ), and then kill it.

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Angular in Docker

cut -c3- <<'eof' > Dockerfile
  FROM node
  
  WORKDIR /app
  SHELL ["/bin/bash","-c"]
  
 RUN apt-get update &amp;&amp; apt-get dist-upgrade -y