build(deploy): switch hosting to Podman Quadlet

scripts/update-wsl-podman.ps1

@@ -0,0 +1,39 @@
+$ErrorActionPreference = 'Stop'
+
+function ConvertTo-WslPath([string]$Path) {
+  $fullPath = [IO.Path]::GetFullPath($Path)
+  if ($fullPath -notmatch '^([A-Za-z]):\\(.*)$') { throw "Workspace must be on a Windows drive: $fullPath" }
+  $drive = $Matches[1].ToLowerInvariant()
+  $relative = $Matches[2].Replace('\', '/')
+  return "/mnt/$drive/$relative"
+}
+
+$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot '..')).Path
+$repoWsl = ConvertTo-WslPath $repoRoot
+
+$unitPath = (Resolve-Path (Join-Path $PSScriptRoot '..\deploy\webdrop.container')).Path
+$unitWsl = ConvertTo-WslPath $unitPath
+
+$updatePath = (Resolve-Path (Join-Path $PSScriptRoot 'wsl-podman-update.sh')).Path
+$updateWsl = ConvertTo-WslPath $updatePath
+
+$commit = (& git -C $repoRoot rev-parse --short=12 HEAD).Trim()
+if ($LASTEXITCODE -ne 0) { throw 'Could not read the current Git commit.' }
+$tagOutput = & git -C $repoRoot describe --tags --exact-match HEAD 2>$null
+$tag = if ($tagOutput) { "$tagOutput".Trim() } else { 'dev' }
+$buildTime = [TimeZoneInfo]::ConvertTimeBySystemTimeZoneId([DateTimeOffset]::UtcNow, 'China Standard Time').ToString('yyyy-MM-dd HH:mm')
+
+$deployHome = '/home/justme/podman/webdrop'
+$configDir = '/home/justme/.config/containers/systemd'
+& wsl.exe -d Debian -- mkdir -p $deployHome $configDir
+if ($LASTEXITCODE -ne 0) { throw 'Could not create the WSL deployment directories.' }
+
+& wsl.exe -d Debian -- install -D -m 755 $updateWsl "$deployHome/update.sh"
+if ($LASTEXITCODE -ne 0) { throw 'Could not install the WSL update script.' }
+& wsl.exe -d Debian -- install -D -m 644 $unitWsl "$deployHome/webdrop.container"
+if ($LASTEXITCODE -ne 0) { throw 'Could not install the WebDrop Quadlet.' }
+& wsl.exe -d Debian -- ln -sfn "$deployHome/webdrop.container" "$configDir/webdrop.container"
+if ($LASTEXITCODE -ne 0) { throw 'Could not link the Quadlet into the user systemd directory.' }
+
+& wsl.exe -d Debian -- bash "$deployHome/update.sh" $repoWsl $commit $tag $buildTime
+if ($LASTEXITCODE -ne 0) { throw 'The WSL Podman build or service update failed.' }

scripts/wsl-podman-update.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+source_dir="${1:?Pass the workspace path in WSL format}"
+frontend_commit="${2:-unknown}"
+frontend_tag="${3:-dev}"
+build_time="${4:-unknown}"
+deploy_dir="$HOME/podman/webdrop"
+source_dir="$(realpath "$source_dir")"
+
+# The WSL proxy exports lowercase names; containers/image reads the uppercase names.
+export HTTP_PROXY="${HTTP_PROXY:-${http_proxy:-}}"
+export HTTPS_PROXY="${HTTPS_PROXY:-${https_proxy:-}}"
+export NO_PROXY="${NO_PROXY:-${no_proxy:-}}"
+
+if [[ ! -f "$source_dir/server/Containerfile" ]]; then
+  echo "Not a WebDrop source tree: $source_dir" >&2
+  exit 2
+fi
+
+mkdir -p "$deploy_dir/src" "$deploy_dir/data"
+
+# Seed the WSL data directory once; later updates leave runtime data untouched.
+if [[ -d "$source_dir/data" ]] && [[ -z "$(find "$deploy_dir/data" -mindepth 1 -print -quit)" ]]; then
+  rsync -a "$source_dir/data/" "$deploy_dir/data/"
+fi
+
+# Keep build inputs on WSL's Linux filesystem, not the slower /mnt/c mount.
+rsync -a --delete \
+  --exclude='/.git/' \
+  --exclude='/.env' --exclude='/.env.*' \
+  --exclude='/data/' \
+  --exclude='**/node_modules/' --exclude='**/dist/' \
+  --exclude='**/bin/' --exclude='**/obj/' \
+  --exclude='**/*.tsbuildinfo' \
+  "$source_dir/" "$deploy_dir/src/"
+
+podman build \
+  --layers \
+  --platform linux/amd64 \
+  --format oci \
+  --file "$deploy_dir/src/server/Containerfile" \
+  --tag localhost/webdrop:local \
+  --build-arg "WEBDROP_FRONTEND_COMMIT=$frontend_commit" \
+  --build-arg "WEBDROP_FRONTEND_TAG=$frontend_tag" \
+  --build-arg "WEBDROP_BACKEND_COMMIT=$frontend_commit" \
+  --build-arg "WEBDROP_BACKEND_TAG=$frontend_tag" \
+  --build-arg "WEBDROP_BUILD_TIME=$build_time" \
+  "$deploy_dir/src"
+
+systemctl --user daemon-reload
+if systemctl --user is-active --quiet webdrop.service; then
+  systemctl --user restart webdrop.service
+else
+  systemctl --user start webdrop.service
+fi
+
+for attempt in {1..30}; do
+  if curl --fail --silent http://127.0.0.1:5000/api/v1/info >/dev/null; then
+    echo "WebDrop updated and responding at http://127.0.0.1:5000"
+    podman ps --filter name=webdrop --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}'
+    exit 0
+  fi
+  sleep 1
+done
+
+systemctl --user status webdrop.service --no-pager || true
+journalctl --user -u webdrop.service -n 80 --no-pager || true
+exit 1