Optimize workflows (#25)

feat: optimize workflows

---------

Co-authored-by: Stavros <steveiliop56@gmail.com>

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches: "main"
+
+jobs:
+  build-binary:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Set up Bun
+        uses: oven-sh/setup-bun@v1
+
+      - name: Install deps
+        run: cd web && bun install
+
+      - name: Build
+        run: ./build.sh cargo build --verbose
+
+  build-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64
+          push: false
+          cache-from: type=gha
+          cache-to: type=gha,mode=max