chore: add an initial dockerfile declaration

.github/workflows/docker.yml

@@ -0,0 +1,22 @@
+on: [push]
+
+name: Docker
+
+jobs:
+    build:
+      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
+          uses: docker/build-push-action@v5
+          with:
+            context: .
+            file: ./Dockerfile
+            push: false
+            tags: generic-merge:latest

Dockerfile

@@ -0,0 +1,8 @@
+FROM rust:1.78.0-slim-bullseye AS build
+
+WORKDIR /usr/src/generic-merge
+
+COPY . . 
+RUN cargo build --locked --release
+
+CMD ["./target/release/generic-merge"]