diff --git a/Dockerfile b/Dockerfile
index a8aa4979..568a06e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.14-alpine
+FROM --platform=linux/amd64 golang:1.14-alpine
 ENV SRC github.com/segmentio/ctlstore
 ARG VERSION
 
@@ -16,7 +16,7 @@ RUN CGO_ENABLED=1 go install -ldflags="-X github.com/segmentio/ctlstore/pkg/vers
 
 RUN apk del gcc git curl alpine-sdk libc6-compat
 
-FROM 528451384384.dkr.ecr.us-west-2.amazonaws.com/segment-alpine
+FROM --platform=linux/amd64 528451384384.dkr.ecr.us-west-2.amazonaws.com/segment-alpine
 RUN apk --no-cache add sqlite
 
 COPY --from=0 /bin/chamber /bin/chamber
diff --git a/Dockerfile-load-generator b/Dockerfile-load-generator
index c84e7490..a62ca4b0 100644
--- a/Dockerfile-load-generator
+++ b/Dockerfile-load-generator
@@ -1,4 +1,4 @@
-FROM golang:1.15
+FROM golang:1.19
 COPY . /go/src/github.com/segmentio/ctlstore/
 RUN go install github.com/segmentio/ctlstore/pkg/cmd/ctlstore-mutator
 ENTRYPOINT /go/bin/ctlstore-mutator
diff --git a/Dockerfile-mysql b/Dockerfile-mysql
index 8f4b94e1..61446c7c 100644
--- a/Dockerfile-mysql
+++ b/Dockerfile-mysql
@@ -1,2 +1,2 @@
-FROM mysql:5.6
+FROM --platform=linux/amd64 mysql:5.6
 COPY ctldb-example.sql /docker-entrypoint-initdb.d/
diff --git a/docker-compose-example.yml b/docker-compose-example.yml
index 83a29c44..362015fc 100644
--- a/docker-compose-example.yml
+++ b/docker-compose-example.yml
@@ -39,7 +39,7 @@ services:
       - -writer-secret
       - heartbeat
 
-  # supervisor periodically snapshots ldb
+    # supervisor periodically snapshots ldb
     supervisor:
       restart: always
       build:
diff --git a/docker-compose.yml b/docker-compose.yml
index c7758e46..e4a35e85 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,6 +2,7 @@ version: '2.2'
 services:
     mysql:
         image: mysql:5.6
+        platform: linux/amd64
         restart:
             always
         ports: