Specify platform everywhere

Dockerfile

@@ -5,7 +5,7 @@
 # Note that multistage builds can leverage the tag applied (at build
 # time) to this container
 
-FROM golang:1.20 AS golauncherbuild
+FROM --platform=linux/amd64 golang:1.20 AS golauncherbuild
 LABEL maintainer="engineering@kolide.co"
 
 # fake data or not?
@@ -31,7 +31,7 @@ RUN cd launcher && git checkout "${gitver}"
 # Build!
 RUN cd launcher && make deps
 RUN cd launcher && make all
-RUN cd launcher && GO111MODULE=on go run cmd/make/make.go -targets=launcher -linkstamp $FAKE
+RUN cd launcher && GO111MODULE=on go run cmd/make/make.go -targets=launcher -linkstamp $FAKE -arch amd64
 
 # Install
 RUN mkdir -p /usr/local/kolide/bin/

docker/centos7/Dockerfile

@@ -1,7 +1,7 @@
 ARG FAKE
 FROM launcher${FAKE}-build as stage1
 
-FROM centos:centos7
+FROM --platform=linux/amd64 centos:centos7
 LABEL maintainer="engineering@kolide.co"
 
 COPY --from=stage1 /usr/local/kolide/bin/* /usr/local/kolide/bin/

docker/distroless/Dockerfile

@@ -1,7 +1,7 @@
 ARG FAKE
 FROM launcher${FAKE}-build as stage1
 
-FROM gcr.io/distroless/base
+FROM --platform=linux/amd64 gcr.io/distroless/base
 LABEL maintainer="engineering@kolide.co"
 
 # RUN mkdir -p /usr/local/kolide/bin/

docker/ubuntu16/Dockerfile

@@ -1,7 +1,7 @@
 ARG FAKE
 FROM launcher${FAKE}-build as stage1
 
-FROM ubuntu:16.04
+FROM --platform=linux/amd64 ubuntu:16.04
 LABEL maintainer="engineering@kolide.co"
 
 COPY --from=stage1 /usr/local/kolide/bin/* /usr/local/kolide/bin/

docker/ubuntu18/Dockerfile

@@ -1,7 +1,7 @@
 ARG FAKE
 FROM launcher${FAKE}-build as stage1
 
-FROM ubuntu:18.04
+FROM --platform=linux/amd64 ubuntu:18.04
 LABEL maintainer="engineering@kolide.co"
 
 COPY --from=stage1 /usr/local/kolide/bin/* /usr/local/kolide/bin/

docker/ubuntu20/Dockerfile

@@ -1,7 +1,7 @@
 ARG FAKE
 FROM launcher${FAKE}-build as stage1
 
-FROM ubuntu:20.04
+FROM --platform=linux/amd64 ubuntu:20.04
 LABEL maintainer="engineering@kolide.co"
 
 COPY --from=stage1 /usr/local/kolide/bin/* /usr/local/kolide/bin/