misc: optimized dockerfile, gh actions for cargo

.github/workflows/cargo-check.yml

@@ -0,0 +1,18 @@
+name: Cargo Check
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  cargo-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Run cargo check
+        run: cargo check --all-targets