enables github codespaces

Author: videlalvaro

.devcontainer/Dockerfile

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+FROM rabbitmq:3.7-management
+
+ENV NVM_DIR="/usr/local/share/nvm"
+ENV NVM_SYMLINK_CURRENT=true \
+    PATH=${NVM_DIR}/current/bin:${PATH}
+COPY library-scripts/node-debian.sh /tmp/library-scripts/
+RUN apt-get update && bash /tmp/library-scripts/node-debian.sh "${NVM_DIR}"

.devcontainer/devcontainer.json

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+{
+	"name": "RabbitMQ Tutorials",
+	"dockerFile": "Dockerfile",
+	"forwardPorts": [ 4369, 5671, 5672, 15691, 15692, 25672 ],
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": { 
+		"terminal.integrated.shell.linux": "/bin/bash"
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [],
+
+	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	// "remoteUser": "vscode"
+}

.devcontainer/library-scripts/node-debian.sh

@@ -0,0 +1,109 @@
+#!/bin/bash
+#-------------------------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
+#-------------------------------------------------------------------------------------------------------------
+
+# File taken from https://github.com/microsoft/vscode-dev-containers/blob/master/containers/azure-static-web-apps/.devcontainer/library-scripts/node-debian.sh
+
+# Syntax: ./node-debian.sh [directory to install nvm] [node version to install (use "none" to skip)] [non-root user]
+
+export NVM_DIR=${1:-"/usr/local/share/nvm"}
+export NODE_VERSION=${2:-"lts/*"}
+USERNAME=${3:-"vscode"}
+UPDATE_RC=${4:-"true"}
+
+mkdir -p "/etc/zsh/"
+
+set -e
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo -e 'Script must be run a root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
+    exit 1
+fi
+
+# Treat a user name of "none" or non-existant user as root
+if [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} > /dev/null 2>&1; then
+    USERNAME=root
+fi
+
+if [ "${NODE_VERSION}" = "none" ]; then
+    export NODE_VERSION=
+fi
+
+# Ensure apt is in non-interactive to avoid prompts
+export DEBIAN_FRONTEND=noninteractive
+
+# Install curl, apt-transport-https, tar, or gpg if missing
+if ! dpkg -s apt-transport-https curl ca-certificates tar > /dev/null 2>&1 || ! type gpg > /dev/null 2>&1; then
+    if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
+        apt-get update
+    fi
+    apt-get -y install --no-install-recommends apt-transport-https curl ca-certificates tar gnupg2
+fi
+
+# Install yarn
+if type yarn > /dev/null 2>&1; then
+    echo "Yarn already installed."
+else
+    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | (OUT=$(apt-key add - 2>&1) || echo $OUT)
+    echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
+    apt-get update
+    apt-get -y install --no-install-recommends yarn
+fi
+
+# Install the specified node version if NVM directory already exists, then exit
+if [ -d "${NVM_DIR}" ]; then
+    echo "NVM already installed."
+    if [ "${NODE_VERSION}" != "" ]; then
+       su ${USERNAME} -c "source $NVM_DIR/nvm.sh && nvm install ${NODE_VERSION} && nvm clear-cache"
+    fi
+    exit 0
+fi
+
+
+# Run NVM installer as non-root if needed
+mkdir -p ${NVM_DIR}
+chown ${USERNAME} ${NVM_DIR}
+su ${USERNAME} -c "$(cat << EOF
+    set -e
+
+    # Do not update profile - we'll do this manually
+    export PROFILE=/dev/null
+
+    curl -so- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash 
+    source ${NVM_DIR}/nvm.sh
+    if [ "${NODE_VERSION}" != "" ]; then
+        nvm alias default ${NODE_VERSION}
+    fi
+    nvm clear-cache 
+EOF
+)" 2>&1
+
+if [ "${UPDATE_RC}" = "true" ]; then
+    echo "Updating /etc/bash.bashrc and /etc/zsh/zshrc with NVM scripts..."
+(cat <<EOF
+export NVM_DIR="${NVM_DIR}"
+sudoIf()
+{
+    if [ "\$(id -u)" -ne 0 ]; then
+        sudo "\$@"
+    else
+        "\$@"
+    fi
+}
+if [ "\$(stat -c '%U' \$NVM_DIR)" != "${USERNAME}" ]; then
+    if [ "\$(id -u)" -eq 0 ] || type sudo > /dev/null 2>&1; then
+        echo "Fixing permissions of \"\$NVM_DIR\"..."
+        sudoIf chown -R ${USERNAME}:root \$NVM_DIR
+    else
+        echo "Warning: NVM directory is not owned by ${USERNAME} and sudo is not installed. Unable to correct permissions."
+    fi
+fi
+[ -s "\$NVM_DIR/nvm.sh" ] && . "\$NVM_DIR/nvm.sh"
+[ -s "\$NVM_DIR/bash_completion" ] && . "\$NVM_DIR/bash_completion"
+EOF
+) | tee -a /etc/bash.bashrc >> /etc/zsh/zshrc 
+fi 
+
+echo "Done!"