detect host architecture

Signed-off-by: Tyler Baker <[email protected]>

Dockerfile

@@ -3,7 +3,12 @@ FROM ubuntu:20.04 AS container-tools
 ARG DEBIAN_FRONTEND=noninteractive
 
 RUN apt-get update && apt-get install -y wget git make \
-	libgpgme-dev libassuan-dev libbtrfs-dev libdevmapper-dev pkg-config
+	libgpgme-dev libassuan-dev libbtrfs-dev libdevmapper-dev pkg-config \
+        file
+
+# Detect host architecture
+RUN file /bin/bash | grep -q x86-64 && echo amd64 > /tmp/arch || true
+RUN file /bin/bash | grep -q aarch64 && echo arm64 > /tmp/arch || true
 
 RUN wget -P /tmp https://go.dev/dl/go1.18.linux-amd64.tar.gz && \
 	tar -C /usr/local -xzf /tmp/go1.18.linux-amd64.tar.gz
@@ -17,7 +22,12 @@ RUN git clone https://github.com/containers/skopeo.git /skopeo && \
 # Build ostreeuploader, aka fiopush/fiocheck
 FROM ubuntu:20.04 AS fiotools
 RUN apt-get update
-RUN apt-get install -y wget git gcc make
+RUN apt-get install -y wget git gcc make file
+
+# Detect host architecture
+RUN file /bin/bash | grep -q x86-64 && echo amd64 > /tmp/arch || true
+RUN file /bin/bash | grep -q aarch64 && echo arm64 > /tmp/arch || true
+
 RUN wget -P /tmp https://go.dev/dl/go1.19.9.linux-amd64.tar.gz && \
     tar -C /usr/local -xzf /tmp/go1.19.9.linux-amd64.tar.gz
 ENV PATH /usr/local/go/bin:$PATH