chore: Add bootstrap daemon docker image build.

This will also push to dockerhub on merge.

.github/workflows/ci.yml

@@ -37,10 +37,24 @@ jobs:
       - name: Cross compilation
         run: .travis/cmake-win64 script
 
-  freebsd:
+  build-freebsd:
     runs-on: ubuntu-latest
     container: toxchat/freebsd
     steps:
       - uses: actions/checkout@v2
       - name: Build on FreeBSD
         run: .travis/cmake-freebsd-stage2
+
+  build-bootstrap-docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - uses: actions/checkout@v2
+      - name: Docker Build
+        run: .travis/tox-bootstrapd-docker
+      - name: Push images to DockerHub
+        if: ${{ github.event_name == 'push' }}
+        run: |
+          docker push toxchat/bootstrap-node:latest
+          docker push toxchat/bootstrap-node:"$(other/print-version)"

.travis/tox-bootstrapd-docker

@@ -67,3 +67,5 @@ if ! other/fun/bootstrap_node_info.py ipv4 localhost 33445; then
   echo "Error: Unable to get bootstrap node info"
   exit 1
 fi
+
+docker tag toxchat/bootstrap-node:latest toxchat/bootstrap-node:"$(other/print-version)"

other/bootstrap_daemon/docker/tox-bootstrapd.sha256

@@ -1 +1 @@
-ac14ae6877df0b2af683e9578cb7a548d755a3c78ceb26f169163c725963ff50  /usr/local/bin/tox-bootstrapd
+7cce630be98faab64c804255e060c85a63ea9f4401ffd1f12122ba1c5cfc45ce  /usr/local/bin/tox-bootstrapd

other/print-version

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+VERSION="$(grep '^AC_INIT' configure.ac | grep -E -o '[0-9]+\.[0-9]+\.[0-9]+')"
+echo "$VERSION"