Fix Dockerfile on non amd64 platforms (ava-labs#1661)

Dockerfile

@@ -6,8 +6,7 @@
 # go.mod
 # ============= Compilation Stage ================
 FROM golang:1.19.6-buster AS builder
-ARG ARCH=amd64
-RUN apt-get update && apt-get install -y --no-install-recommends bash=5.0-4 make=4.2.1-1.2 gcc=4:8.3.0-1 musl-dev=1.1.21-2 ca-certificates=20200601~deb10u2 linux-headers-${ARCH}
+RUN apt-get update && apt-get install -y --no-install-recommends bash=5.0-4 make=4.2.1-1.2 gcc=4:8.3.0-1 musl-dev=1.1.21-2 ca-certificates=20200601~deb10u2 linux-headers-4.19.0-21-all
 
 WORKDIR /build
 # Copy and download avalanche dependencies using go mod

scripts/build_local_image.sh

@@ -15,5 +15,5 @@ full_commit_hash="$(git --git-dir="$AVALANCHE_PATH/.git" rev-parse HEAD)"
 commit_hash="${full_commit_hash::8}"
 
 echo "Building Docker Image with tags: $avalanchego_dockerhub_repo:$commit_hash , $avalanchego_dockerhub_repo:$current_branch"
-docker build --build-arg ARCH="$arch" -t "$avalanchego_dockerhub_repo:$commit_hash" \
+docker build -t "$avalanchego_dockerhub_repo:$commit_hash" \
         -t "$avalanchego_dockerhub_repo:$current_branch" "$AVALANCHE_PATH" -f "$AVALANCHE_PATH/Dockerfile"

scripts/constants.sh

@@ -20,9 +20,6 @@ coreth_path=${CORETH_PATH:-"$GOPATH/pkg/mod/github.com/ava-labs/coreth@$coreth_v
 # You should probably set it - export DOCKER_REPO='avaplatform/avalanchego'
 avalanchego_dockerhub_repo=${DOCKER_REPO:-"avalanchego"}
 
-# System architecture
-arch=$(uname -m)
-
 # Current branch
 # TODO: fix "fatal: No names found, cannot describe anything" in github CI
 current_branch=$(git symbolic-ref -q --short HEAD || git describe --tags --exact-match || true)