update workflows & rm default member #72

	name: Create Dev Image
	on:
	push:
	branches: ["master"]
	paths:
	# Source files in each member
	- "compute/src/**"
	- "p2p/src/**"
	- "workflows/src/**"
	# Cargo in each member
	- "compute/Cargo.toml"
	- "p2p/Cargo.toml"
	- "workflows/Cargo.toml"
	# root-level changes
	- "Cargo.lock"
	- "Cross.toml"
	- "Dockerfile"
	- "compose.yml"
	# workflow itself
	- ".github/workflows/build_dev_container.yml"

	jobs:
	build-and-push:
	name: Build and Push
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v3

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKERHUB_USERNAME }}
	password: ${{ secrets.DOCKERHUB_TOKEN }}

	- name: Get Unix Time
	id: timestamp
	run: echo "timestamp=$(date +%s)" >> $GITHUB_OUTPUT

	- name: Get SHA
	id: sha
	run: echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

	- name: Get Branch Name
	id: branch
	run: echo "branch=$(echo ${GITHUB_REF#refs/heads/})" >> $GITHUB_OUTPUT

	- name: Set Image Tag
	id: itag
	run: echo "itag=${{ steps.branch.outputs.branch }}-${{ steps.sha.outputs.sha }}-${{ steps.timestamp.outputs.timestamp }}" >> $GITHUB_OUTPUT

	- name: Build and push
	uses: docker/build-push-action@v6
	env:
	IMAGE_TAG: ${{ steps.itag.outputs.itag }}
	with:
	platforms: linux/amd64, linux/arm64, linux/arm, linux/arm64v8
	push: true
	tags: \|
	firstbatch/dkn-compute-node:unstable
	firstbatch/dkn-compute-node:${{ env.IMAGE_TAG }}

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