add starship requirements in dockerfile, add docker gh action

.github/workflows/docker.yaml

@@ -0,0 +1,80 @@
+name: Docker
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*.*.*"
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+    inputs:
+      tags:
+        description: "Tags to build and push"
+        required: true
+        type: string
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build-push:
+    runs-on: ubuntu-latest
+
+    env:
+      DOCKER_REGISTRY: ghcr.io
+      DOCKER_IMAGE: osmosis-labs/meshd
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.20"
+          check-latest: true
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_IMAGE }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=semver,pattern=v{{major}}.{{minor}}
+            type=semver,pattern={{version}},value=v${{ inputs.tags }},enable=${{ inputs.tags != '' }}
+          flavor: |
+            latest=false
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Run go vendor
+        run: |
+          cd demo/ && go mod vendor
+
+      - name: Publish to GitHub Packages
+        uses: docker/build-push-action@v4
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          context: demo/

demo/Dockerfile

@@ -1,5 +1,4 @@
 FROM golang:1.20-alpine AS go-builder
-ARG ARCH=x86_64
 
 RUN apk add --no-cache ca-certificates build-base git
 
@@ -13,7 +12,7 @@ ADD go.mod go.sum ./
 RUN set -eux; \
     WASM_VERSION=v$(go list -m github.com/CosmWasm/wasmvm | cut -d" " -f2 | cut -d"v" -f2); \
     echo $WASM_VERSION; \
-    wget -O /lib/libwasmvm_muslc.a https://github.com/CosmWasm/wasmvm/releases/download/${WASM_VERSION}/libwasmvm_muslc.${ARCH}.a
+    wget -O /lib/libwasmvm_muslc.a https://github.com/CosmWasm/wasmvm/releases/download/${WASM_VERSION}/libwasmvm_muslc.$(uname -m).a
 
 # Copy over code
 COPY . /code
@@ -31,9 +30,15 @@ FROM alpine:3.16
 
 COPY --from=go-builder /code/build/meshd /usr/bin/meshd
 
+# Set up dependencies used for Starship
+ENV PACKAGES curl make bash jq sed
+
+# Install minimum necessary dependencies
+RUN apk add --no-cache $PACKAGES
+
 WORKDIR /opt
 
 # rest server, tendermint p2p, tendermint rpc
 EXPOSE 1317 26656 26657
 
-CMD ["/usr/bin/meshd", "version"]
+CMD ["/usr/bin/meshd", "version"]