diff --git a/.github/workflows/mdbook.yml b/.github/workflows/mdbook.yml
index d3c37e3..2cc5626 100644
--- a/.github/workflows/mdbook.yml
+++ b/.github/workflows/mdbook.yml
@@ -26,10 +26,4 @@ jobs:
       contents: read
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
-
-      - run: make login
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          DOCKER_HUB_TOKEN: ${{ secrets.DOCKER_HUB_TOKEN }}
-
       - run: make test-build-with-latest
diff --git a/Dockerfile b/Dockerfile
index 7ee5abf..8117ecb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
+# syntax=docker/dockerfile:1
 ARG BASE_IMAGE
 
-FROM rust:1.78-slim-bookworm AS builder
+FROM rust:1.78.0-slim-bookworm AS builder
 
 ARG TARGETPLATFORM
 ARG MDBOOK_VERSION
@@ -9,18 +10,28 @@ ARG MDBOOK_MERMAID_VERSION
 ARG MDBOOK_TOC_VERSION
 ARG MDBOOK_ADMONISH_VERSION
 
-RUN apt-get update && \
+ENV CARGO_TARGET_DIR="/usr/local/cargo-target"
+
+RUN rm -f /etc/apt/apt.conf.d/docker-clean && \
+    echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache
+RUN --mount=type=cache,sharing=locked,target=/var/cache/apt \
+    --mount=type=cache,sharing=locked,target=/var/lib/apt \
+    apt-get update && \
     apt-get install --no-install-recommends -y \
     musl-tools \
     file
 RUN rustup target add "${CARGO_TARGET}"
-RUN cargo install mdbook --version "${MDBOOK_VERSION}" --target "${CARGO_TARGET}" && \
+RUN --mount=type=cache,sharing=locked,target=/usr/local/cargo-target \
+    cargo install mdbook --version "${MDBOOK_VERSION}" --target "${CARGO_TARGET}" && \
     strip "$(which mdbook)"
-RUN cargo install mdbook-mermaid --version "${MDBOOK_MERMAID_VERSION}" --target "${CARGO_TARGET}" && \
+RUN --mount=type=cache,sharing=locked,target=/usr/local/cargo-target \
+    cargo install mdbook-mermaid --version "${MDBOOK_MERMAID_VERSION}" --target "${CARGO_TARGET}" && \
     strip "$(which mdbook-mermaid)"
-RUN cargo install mdbook-toc --version "${MDBOOK_TOC_VERSION}" --target "${CARGO_TARGET}" && \
+RUN --mount=type=cache,sharing=locked,target=/usr/local/cargo-target \
+    cargo install mdbook-toc --version "${MDBOOK_TOC_VERSION}" --target "${CARGO_TARGET}" && \
     strip "$(which mdbook-toc)"
-RUN cargo install mdbook-admonish --version "${MDBOOK_ADMONISH_VERSION}" --target "${CARGO_TARGET}" && \
+RUN --mount=type=cache,sharing=locked,target=/usr/local/cargo-target \
+    cargo install mdbook-admonish --version "${MDBOOK_ADMONISH_VERSION}" --target "${CARGO_TARGET}" && \
     strip "$(which mdbook-admonish)"
 
 FROM ${BASE_IMAGE}
diff --git a/Makefile b/Makefile
index 1df0449..608fbaf 100644
--- a/Makefile
+++ b/Makefile
@@ -61,7 +61,7 @@ build-alpine:
 		--cache-from "type=gha,scope=${DOCKER_SCOPE}" \
 		--cache-to "type=gha,mode=max,scope=${DOCKER_SCOPE}" \
 		--build-arg MDBOOK_VERSION="${DOCKER_VERSION}" \
-		--build-arg BASE_IMAGE="alpine:3.20" \
+		--build-arg BASE_IMAGE="alpine:3.20.0" \
 		--build-arg MDBOOK_MERMAID_VERSION="${MDBOOK_MERMAID_VERSION}" \
 		--build-arg MDBOOK_TOC_VERSION="${MDBOOK_TOC_VERSION}" \
 		--build-arg MDBOOK_ADMONISH_VERSION="${MDBOOK_ADMONISH_VERSION}" \
@@ -75,7 +75,7 @@ build-rust:
 		--cache-from "type=gha,scope=${DOCKER_SCOPE}" \
 		--cache-to "type=gha,mode=max,scope=${DOCKER_SCOPE}" \
 		--build-arg MDBOOK_VERSION="${DOCKER_VERSION}" \
-		--build-arg BASE_IMAGE="rust:1.78-alpine3.20" \
+		--build-arg BASE_IMAGE="rust:1.78.0-alpine3.20" \
 		--build-arg MDBOOK_MERMAID_VERSION="${MDBOOK_MERMAID_VERSION}" \
 		--build-arg MDBOOK_TOC_VERSION="${MDBOOK_TOC_VERSION}" \
 		--build-arg MDBOOK_ADMONISH_VERSION="${MDBOOK_ADMONISH_VERSION}" \