Refactor for Deno compatibility and DevContainer setup

.devcontainer/.dockerignore

@@ -0,0 +1,9 @@
+.dockerignore
+.env
+.git
+.gitignore
+.vs
+.vscode
+docker-compose.yml
+docker-compose.*.yml
+node_modules

.devcontainer/Dockerfile

@@ -0,0 +1,32 @@
+FROM node:20.12.2
+#FROM nikolaik/python-nodejs:latest
+# Last version check on 10 Apr 2024.
+# Check for new versions at https://nodejs.org/en/ or at https://hub.docker.com/_/node
+# Note that if you want to use this container for a Create React Application (CRA)
+# you may need to use a different version. Consult React documentation.
+# [Manfred]
+
+
+################################################################################
+# Upgrade NPM
+# node may come with an older version of npm. Ensure we have a specific npm.
+RUN npm install -g [email protected]
+# Last version check on 10 Apr 2024.
+# Newer versions might be available at https://www.npmjs.com/search?q=npm
+# [Manfred]
+
+
+################################################################################
+# Install prerequisites
+RUN apt-get update
+RUN apt-get install -y \
+    lsb-release \
+    curl
+
+
+################################################################################
+# Install TypeScript
+RUN npm install -g [email protected]
+# Last version check on 10 Apr 2024.
+# Newer versions might be available at https://www.npmjs.com/search?q=typescript
+# [Manfred]

.devcontainer/devcontainer.json

@@ -0,0 +1,31 @@
+// See https://aka.ms/vscode-remote/devcontainer.json for format details.
+{
+    "name": "TypeScript example",
+    "dockerComposeFile": [
+       "docker-compose.yml"
+    ],
+    // The name of the following service has to match one of the services in docker-compose.yml
+    "service": "typescript-dev",
+    "workspaceFolder": "/work",
+    "customizations": {
+       "vscode": {
+          "extensions": [
+             "dbaeumer.vscode-eslint",
+             "donjayamanne.githistory",
+             "editorconfig.editorconfig",
+             "firsttris.vscode-jest-runner",
+             "github.copilot@prerelease",
+             "github.copilot-chat@prerelease",
+             "github.copilot-labs@prerelease",
+             "mhutchie.git-graph",
+             "ms-vsliveshare.vsliveshare",
+             "mutantdino.resourcemonitor",
+             "qcz.restart-ts-server-button",
+             "rtbenfield.vscode-jest-test-adapter",
+             "usernamehw.errorlens"
+          ]
+       }
+    },
+    "shutdownAction": "stopCompose",
+    "remoteUser": "node"
+ }

.devcontainer/docker-compose.yml

@@ -0,0 +1,41 @@
+# Documentation of compose spec can be found at https://github.com/compose-spec/compose-spec
+# [Manfred, 21apr2023]
+
+version: '3.7'
+
+# According to the compose spec we can specify the compose project name here. However, VS Code does
+# not honor this as of 21 Apr 2023. Therefore there is a .env file at the root of this git repository
+# in which the environment variable COMPOSE_PROJECT_NAME is defined as 'rimutec'. Once VS Code supports
+# the top-level element 'name', the following can be used instead.
+name: 'developer'
+# [Manfred, 21apr2023]
+
+services:
+   # change the service name, the container name and the hostname for each dev container that connects
+   # to the same virtual network. [Manfred, 29jul2022]
+   typescript-dev:
+      image: typescript-dev:0.1
+      build: .
+      container_name: typescript-dev
+      hostname: typescript-dev.local
+      working_dir: /work
+      ports:
+         # Change the port number in case you have more than one dev container based on this
+         # template. For example, you could use something like:
+         # - "3100:3000"
+         # [Manfred, 29jul2022]
+         - "3000:3000" # <<<<<< if preferred, explicit forward the port used by express
+         # Using double quotes for port mapping to avoid YAML reading it as a number with a different base
+         # e.g. "3333:22" would result in port numbers greater than 130000 which are clearly invalid.
+         # Without double quotes YAML interprets it as a number based on 22. [Manfred, 24aug2022]
+      volumes:
+         - ..:/work
+      command: bash -c "/work/.devcontainer/init.sh && sleep infinity"
+      networks:
+         developer:
+
+   # If you list further services (ie containers) here, place them in the same virtual network if
+   # you want them being visible to each other. [Manfred, 10sep2022]
+
+networks:
+   developer:

.devcontainer/init.sh

@@ -0,0 +1,15 @@
+# #!/bin/sh
+
+echo Running script ./.devcontainer/init.sh
+
+################################################################################
+# Set get pull mode to rebase. Do the same for branches that may exist. However
+# this is a repo designed for trunk-based development, so there shouldn't be any
+# branches other than 'main' [Manfred, 22aug2022]
+# For more details, see https://stackoverflow.com/a/13974638/411428
+runuser -l node -c 'cd /work && git config pull.rebase true'
+runuser -l node -c 'cd /work && git config branch.autosetuprebase always'
+# option -l specifies the user on whose behalf the commmand is executed. Note that
+#           this script runs as root. [Manfred, 12 Feb 2023]
+
+echo Script ./.devcontainer/init.sh finished

README.md

@@ -27,6 +27,11 @@ cd programmable-banking-sim
 ```bash
 npm install
 ```
+## DevContainer (VSCode)
+VS Code will automatically detect the `.devcontainer` folder and prompt you to open the project in a container. This will set up the environment for you to run the server in a Docker container. 
+```bash
+docker-compose -f .devcontainer/docker-compose.yml up
+```
 
 ## Docker
 To run the server in a Docker container, run the following