CI: build and publish exposed docker package

.github/workflows/docker.yml

@@ -0,0 +1,56 @@
+name: "Publish Docker Image"
+on:
+  workflow_dispatch:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+    tags:
+      - "v*" # only publish tagged releases
+
+jobs:
+  build-docker-image:
+    name: "Build Docker Image"
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: DeterminateSystems/nix-installer-action@main
+      - name: Magic Nix Cache
+        uses: DeterminateSystems/magic-nix-cache-action@main
+
+      - name: Build Exposed Docker Image
+        run: nix build .#docker-nix --print-build-logs
+
+      - name: Load & Tag Built Docker Image
+        run: |
+          docker load -i result ; docker images
+          docker tag localhost/neovim-flake:latest notashelf/neovim-flake:latest
+
+      - name: Log into DockerHub
+        uses: docker/login-action@master
+        with:
+          username: notashelf
+          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+
+      - name: Push to DockerHub
+        run: docker push notashelf/neovim-flake:latest
+
+      - name: Log into ghcr
+        uses: docker/login-action@master
+        with:
+          registry: "ghcr.io"
+          username: "${{ github.actor }}"
+          password: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Publish Docker Image (Github Packages)
+        run: docker push ghcr.io/neovim-flake:latest

flake/packages.nix

@@ -36,7 +36,7 @@
           inherit (config.legacyPackages) neovim-nix;
         in
           dockerTools.buildImage {
-            name = "neovim-flake-nix";
+            name = "neovim-flake";
             tag = "latest";
 
             copyToRoot = buildEnv {