chore: add dev/deploy targets to Makefile, deploy.sh

Makefile

@@ -25,4 +25,20 @@ fix:
 	cargo fmt
 	cargo clippy --fix --allow-dirty --allow-staged
 
-.PHONY: check fmt fmt-check clippy test fix publish
+# Build the frontend SPA.
+build-app:
+	cd app && npm run build
+
+# Run the backend (builds frontend first if needed).
+dev: build-app
+	JWT_SECRET=dev-secret ALLOW_REGISTRATION=true cargo run -p presentation
+
+# Run backend only (skip frontend build, assumes build-app was run).
+dev-api:
+	JWT_SECRET=dev-secret ALLOW_REGISTRATION=true cargo run -p presentation
+
+# Build and push Docker image to private registry.
+deploy:
+	./deploy.sh
+
+.PHONY: check fmt fmt-check clippy test fix build-app dev dev-api deploy

deploy.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+REGISTRY="registry.gabrielkaszewski.dev"
+REPO="pocket-chords"
+
+tag="latest"
+
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --tag) tag="$2"; shift 2 ;;
+    *) echo "usage: $0 [--tag T]" >&2; exit 1 ;;
+  esac
+done
+
+image="${REGISTRY}/${REPO}:${tag}"
+
+echo "building ${image}"
+docker buildx build --platform linux/amd64 \
+  -t "$image" --push .
+echo "pushed $image"