feat: initial commit — OST to PST/MBOX converter with Docker support

build-multiarch.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+# build-multiarch.sh
+# Builds and pushes a multi-arch Docker image (linux/amd64 + linux/arm64)
+# directly from your local machine.
+#
+# Usage:
+#   ./build-multiarch.sh yourDockerHubUsername
+#   ./build-multiarch.sh yourDockerHubUsername v1.2.0
+#
+set -euo pipefail
+
+DOCKERHUB_USER="${1:-}"
+VERSION_TAG="${2:-latest}"
+
+if [[ -z "$DOCKERHUB_USER" ]]; then
+    echo "❌  Usage: $0 <dockerhub-username> [version-tag]"
+    echo "    Example: $0 myname v1.0.0"
+    exit 1
+fi
+
+IMAGE="${DOCKERHUB_USER}/ost2pst"
+BUILDER="ost2pst-multiarch"
+
+echo "▶  Image  : ${IMAGE}:${VERSION_TAG}"
+echo "▶  Arches : linux/amd64, linux/arm64"
+echo ""
+
+# ── Ensure a buildx builder with multi-arch support exists ──────────────────
+if ! docker buildx inspect "$BUILDER" &>/dev/null; then
+    echo "Creating buildx builder '${BUILDER}'..."
+    docker buildx create --name "$BUILDER" --driver docker-container --bootstrap
+fi
+docker buildx use "$BUILDER"
+
+# ── Log in ───────────────────────────────────────────────────────────────────
+echo "Logging in to Docker Hub as ${DOCKERHUB_USER}..."
+docker login --username "$DOCKERHUB_USER"
+
+# ── Build & push ─────────────────────────────────────────────────────────────
+TAGS="-t ${IMAGE}:${VERSION_TAG}"
+if [[ "$VERSION_TAG" != "latest" ]]; then
+    TAGS="$TAGS -t ${IMAGE}:latest"
+fi
+
+echo ""
+echo "Building and pushing (this may take a few minutes)..."
+# shellcheck disable=SC2086
+docker buildx build \
+    --platform linux/amd64,linux/arm64 \
+    $TAGS \
+    --push \
+    .
+
+echo ""
+echo "✅  Done!"
+echo "    Image pushed:  ${IMAGE}:${VERSION_TAG}"
+[[ "$VERSION_TAG" != "latest" ]] && echo "    Also tagged:   ${IMAGE}:latest"
+echo ""
+echo "    Pull anywhere:"
+echo "      docker pull ${IMAGE}:${VERSION_TAG}"
+echo "      docker run -d -p 3000:3000 -v \$(pwd)/converted:/app/converted ${IMAGE}:${VERSION_TAG}"