From 873d881a57e05803393bfcbf6c2cbec233ee23aa Mon Sep 17 00:00:00 2001
From: pablomendezroyo <mendez4a@gmail.com>
Date: Tue, 29 Jul 2025 11:10:56 +0200
Subject: [PATCH] add arm support

---
 .github/workflows/release.yml | 2 +-
 Dockerfile                    | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 49b6139..a9a0179 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push Docker image
+      - name: Build and push Docker image (multi-arch)
         uses: docker/build-push-action@v3
         with:
           file: Dockerfile
diff --git a/Dockerfile b/Dockerfile
index 967d1cc..48509ee 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
-FROM golang:1.24-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS builder
 
+ARG TARGETOS
+ARG TARGETARCH
 WORKDIR /app
 
 # Install git for Go modules
@@ -12,8 +14,8 @@ RUN go mod download
 # Copy the entire codebase
 COPY . .
 
-# Build the binary
-RUN go build -o validator-tracker ./cmd/main.go
+# Build a static binary for the target platform
+RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o validator-tracker ./cmd/main.go
 
 # Final image
 FROM alpine:3.21