.github/workflows/docker-base.yml

@@ -0,0 +1,35 @@
+name: Docker Base
+on:
+  push:
+    paths:
+    - 'Dockerfile.base'
+
+
+# We avoid complex tags by always using the latest tag for the base image.
+# That will work beccause we only build this when we want to change the base image used.
+
+jobs:
+        docker:
+          runs-on: ubuntu-latest
+          steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+            - name: Set up QEMU
+              uses: docker/setup-qemu-action@v3
+            - name: Set up Docker Buildx
+              uses: docker/setup-buildx-action@v3
+            - name: Login to GitHub Container Registry
+              uses: docker/login-action@v3
+              with:
+                registry: ghcr.io
+                username: ${{ github.repository_owner }}
+                password: ${{ secrets.GITHUB_TOKEN }}
+            - name: Build and push
+              uses: docker/build-push-action@v5
+              with:
+                file: ./Dockerfile.base
+                platforms: linux/amd64,linux/arm64
+                push: ${{ github.event_name != 'pull_request' }} # Don't push on PR
+                tags: |
+                  ghcr.io/cosmos/ibc-go/docker-base:latest 
+            

Dockerfile.base

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+FROM golang:1.21-alpine3.18 as builder
+ARG arch=x86_64
+ARG IBC_GO_VERSION
+
+RUN set -eux; apk add --no-cache git libusb-dev linux-headers gcc musl-dev make ca-certificates build-base;
+
+ENV GOPATH=""
+ENV GOMODULE="on"
+
+# ensure the ibc go version is being specified for this image.
+RUN test -n "${IBC_GO_VERSION}"
+
+# Grab the static library and copy it to location that will be found by the linker flag `-lwasmvm_muslc`.
+# TODO: nice to have: a script to download version matching the wasmvm version in go.mod.
+ADD https://github.com/CosmWasm/wasmvm/releases/download/v1.4.0/libwasmvm_muslc.aarch64.a /lib/libwasmvm_muslc.aarch64.a
+ADD https://github.com/CosmWasm/wasmvm/releases/download/v1.4.0/libwasmvm_muslc.x86_64.a /lib/libwasmvm_muslc.x86_64.a
+RUN sha256sum /lib/libwasmvm_muslc.aarch64.a | grep 2a72c7062e3c791792b3dab781c815c9a76083a7997ce6f9f2799aaf577f3c25
+RUN sha256sum /lib/libwasmvm_muslc.x86_64.a | grep 8ea2e3b5fae83e671da2bb51115adc88591045953f509955ec38dc02ea5a7b94
+
+# Copy the library you want to the final location that will be found by the linker flag `-lwasmvm_muslc`
+RUN cp /lib/libwasmvm_muslc.${arch}.a /lib/libwasmvm_muslc.a