Add CI to publish docker image (#1)

Part of https://plan.wireit.in/deepstack/browse/VUL-61/

Co-authored-by: Pranav <jadhavpranav89@gmail.com>
Reviewed-on: LaconicNetwork/cosmos-explorer#1

.github/workflows/docker-image.yml

@@ -0,0 +1,29 @@
+name: Publish cosmos-explorer docker image on release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    name: Run docker build and publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run docker build
+        run: docker build -t cerc/cosmos-explorer -f Dockerfile .
+      - name: Get the version
+        id: vars
+        run: |
+          echo "sha=$(echo ${GITHUB_SHA:0:7})" >> $GITHUB_OUTPUT
+          echo "tag=$(echo ${GITHUB_REF#refs/tags/})" >> $GITHUB_OUTPUT
+      - name: Tag docker image with SHA
+        run: docker tag cerc/cosmos-explorer git.vdb.to/laconicnetwork/cerc/cosmos-explorer:${{steps.vars.outputs.sha}}
+      - name: Tag docker image with release tag
+        run: docker tag git.vdb.to/laconicnetwork/cerc/cosmos-explorer:${{steps.vars.outputs.sha}} git.vdb.to/laconicnetwork/cerc/cosmos-explorer:${{steps.vars.outputs.tag}}
+      - name: Docker Login
+        run: echo ${{ secrets.CICD_PUBLISH_TOKEN }} | docker login https://git.vdb.to -u laconiccicd --password-stdin
+      - name: Docker Push SHA
+        run: docker push git.vdb.to/laconicnetwork/cerc/cosmos-explorer:${{steps.vars.outputs.sha}}
+      - name: Docker Push TAGGED
+        run: docker push git.vdb.to/laconicnetwork/cerc/cosmos-explorer:${{steps.vars.outputs.tag}}

Dockerfile

@@ -0,0 +1,14 @@
+# Originally from: https://github.com/devcontainers/images/blob/main/src/javascript-node/.devcontainer/Dockerfile
+# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 18, 16, 14, 18-bullseye, 16-bullseye, 14-bullseye, 18-buster, 16-buster, 14-buster
+ARG VARIANT=20-bullseye
+
+FROM node:${VARIANT}
+
+WORKDIR /app
+
+COPY . .
+
+RUN yarn install
+
+# Expose port for http
+EXPOSE 4173

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ping.pub",
-  "version": "3.0.0",
+  "version": "3.0.0-zenith-0.1.0",
   "private": true,
   "target": "",
   "scripts": {