Create docker build GH action

.github/workflows/docker-build.yml

@@ -0,0 +1,39 @@
+name: "docker-build"
+
+on:
+  push:
+    branches:
+      - "master"
+  workflow_dispatch:
+
+jobs:
+  docker-build:
+    runs-on: "ubuntu-latest"
+    permissions:
+      contents: write 
+      packages: write 
+    steps:
+      - name: "Checkout source code"
+        uses: "actions/checkout@v2"
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+      - name: "Build"
+        run: "make build"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to GHCR
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ghcr.io/celestiaorg/celestia-app:latest
+          file: docker/Dockerfile

.github/workflows/linkchecker.yml

@@ -1,7 +1,8 @@
 name: Check Markdown links
 on: 
-  schedule: 
-    - cron: '* */24 * * *'
+  # schedule: 
+  #   - cron: '* */24 * * *'
+  workflow_dispatch:
 jobs:
   markdown-link-check:
     runs-on: ubuntu-latest

CHANGELOG-PENDING.md

@@ -10,7 +10,7 @@ Month, DD, YYYY
 
 ### FEATURES
 
-- [go package] (Link to PR) Description @username
+- [GH Action] Create docker-build GH Action
 
 ### IMPROVEMENTS