Fix docker build (#237)

* include package-lock.

* extract intel gpu support from dockerfile.

* update arm support.

* new workflows.

* build intel images.

* add to docs.

.github/workflows/dockerhub.yml

@@ -0,0 +1,78 @@
+name: "build and push amd64 images to Docker Hub"
+
+on:
+  push:
+    branches: [ master ]
+  #
+  # Run this action periodically to keep browsers up-to-date
+  # even if there is no activity in this repo.
+  #
+  schedule:
+    - cron: "43 2 * * 1"
+
+env:
+  DOCKER_IMAGE: m1k1o/neko
+
+jobs:
+  build-base:
+    runs-on: ubuntu-latest
+    #
+    # do not run on forks
+    #
+    if: github.repository_owner == 'm1k1o'
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+
+      - name: Login to Docker Hub
+        run: |
+          docker login --username "${DOCKER_USERNAME}" --password-stdin "${DOCKER_REGISTRY}" <<< "${DOCKER_TOKEN}"
+        env:
+          DOCKER_REGISTRY: ${{ secrets.DOCKER_REGISTRY }}
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Build base
+        run: |
+          BUILD_IMAGE=${DOCKER_IMAGE} .docker/build ${DOCKER_TAG}
+          docker push ${DOCKER_IMAGE}:${DOCKER_TAG}
+        env:
+          DOCKER_TAG: base
+
+  build:
+    runs-on: ubuntu-latest
+    #
+    # do not run on forks
+    #
+    if: github.repository_owner == 'm1k1o'
+    needs: [ build-base ]
+    strategy:
+      # Will build all images even if some fail.
+      fail-fast: false
+      matrix:
+        tags: [ firefox, chromium, google-chrome, ungoogled-chromium, microsoft-edge, brave, vivaldi, opera, tor-browser, remmina, vlc, xfce ]
+    env:
+      DOCKER_TAG: ${{ matrix.tags }}
+    steps:
+      - name: Check Out Repo
+        uses: actions/checkout@v2
+
+      - name: Login to Docker Hub
+        run: |
+          docker login --username "${DOCKER_USERNAME}" --password-stdin "${DOCKER_REGISTRY}" <<< "${DOCKER_TOKEN}"
+        env:
+          DOCKER_REGISTRY: ${{ secrets.DOCKER_REGISTRY }}
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Build container
+        run: |
+          BUILD_IMAGE=${DOCKER_IMAGE} .docker/build ${DOCKER_TAG}
+          docker push ${DOCKER_IMAGE}:${DOCKER_TAG}
+
+      - name: Push latest tag
+        if: ${{ matrix.tags == 'firefox' }}
+        run: |
+          docker pull ${DOCKER_IMAGE}:${DOCKER_TAG}
+          docker tag ${DOCKER_IMAGE}:${DOCKER_TAG} ${DOCKER_IMAGE}:latest
+          docker push ${DOCKER_IMAGE}:latest