Add sync.sh script

This downloads and installs dependencies necessary to run or develop.

Add docker-compose.yml for initial use

sync.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Note: This is kind of AI slop and needs to be more carefully reviewed.
+
+set -eu
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# shellcheck source=framework/versions
+source "$DIR/framework/versions"
+
+# Ensure correct node version is installed
+node_installed_checksum_file="$DIR/framework/binaries/.node.checksum"
+node_installed_checksum=""
+if [ -f "$node_installed_checksum_file" ]; then
+	node_installed_checksum=$(cat "$node_installed_checksum_file")
+fi
+
+if [ "$node_installed_checksum" != "$nodejs_checksum_linux_x86_64" ]; then
+	echo "Downloading Node.js..."
+	node_archive="$DIR/framework/downloads/node.tar.xz"
+	curl -fsSL "$nodejs_binary_linux_x86_64" -o "$node_archive"
+
+	echo "Verifying checksum..."
+	echo "$nodejs_checksum_linux_x86_64  $node_archive" | sha256sum -c -
+
+	echo "Extracting Node.js..."
+	tar -xf "$node_archive" -C "$DIR/framework/binaries"
+	rm "$node_archive"
+
+	echo "$nodejs_checksum_linux_x86_64" >"$node_installed_checksum_file"
+fi
+
+# Ensure correct pnpm version is installed
+pnpm_binary="$DIR/framework/binaries/pnpm"
+pnpm_installed_checksum_file="$DIR/framework/binaries/.pnpm.checksum"
+pnpm_installed_checksum=""
+if [ -f "$pnpm_installed_checksum_file" ]; then
+	pnpm_installed_checksum=$(cat "$pnpm_installed_checksum_file")
+fi
+
+# pnpm checksum includes "sha256:" prefix, strip it for sha256sum
+pnpm_checksum="${pnpm_checksum_linux_x86_64#sha256:}"
+
+if [ "$pnpm_installed_checksum" != "$pnpm_checksum" ]; then
+	echo "Downloading pnpm..."
+	curl -fsSL "$pnpm_binary_linux_x86_64" -o "$pnpm_binary"
+
+	echo "Verifying checksum..."
+	echo "$pnpm_checksum  $pnpm_binary" | sha256sum -c -
+
+	chmod +x "$pnpm_binary"
+
+	echo "$pnpm_checksum" >"$pnpm_installed_checksum_file"
+fi
+
+# Get golang binaries in place
+cd "$DIR/master"
+go build
+
+cd "$DIR/logger"
+go build
+
+# Update framework code
+cd "$DIR/express"
+../cmd pnpm install