feat(build): add docker for cli

.github/workflows/cli.yml

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+name: cli
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: "{{defaultContext}}:cli"
+          push: true
+          tags: ${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:latest

cli/.dockerignore

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+target

cli/Dockerfile

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+FROM rust:1.76 as builder
+WORKDIR /usr/src/tresor
+COPY . .
+RUN cargo install --path .
+
+FROM debian:bullseye-slim
+RUN apt-get update && apt-get install -y openssl ca-certificates && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /usr/local/cargo/bin/tresor-cli /usr/local/bin/tresor
+CMD ["tresor"]