diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 9a5e123..9506b30 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -69,4 +69,4 @@ jobs:
           fi
           echo IMAGE_ID=$IMAGE_ID
           echo VERSION=$VERSION                       
-          docker buildx build -t $IMAGE_ID:$VERSION --platform linux/amd64,linux/386,linux/arm64,linux/ppc64le --push .
+          docker buildx build -t $IMAGE_ID:$VERSION --platform linux/amd64,linux/386,linux/arm64,linux/arm/v7,linux/ppc64le --push .
diff --git a/Dockerfile b/Dockerfile
index d075f38..5945c4b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
 FROM rust as builder
 COPY . .
 RUN apt update && apt install -y build-essential
+# Reference: https://github.com/rust-lang/cargo/issues/8719#issuecomment-1207488994
 # Install mdbook
-RUN cargo install --git https://github.com/HollowMan6/mdBook mdbook
-RUN cargo install --path .
+RUN --mount=type=tmpfs,target=/root/.cargo cargo install --git https://github.com/HollowMan6/mdBook mdbook
+RUN --mount=type=tmpfs,target=/root/.cargo cargo install --path .
 
 FROM python as base
 RUN apt-get update \