diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..4afbb2e9
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,35 @@
+docker/*.dockerfile
+.dockerignore
+.git/
+build
+docs
+lib
+tmp
+**/node_modules
+**/yarn.lock
+**/yarn-error.log
+**/package-lock.json
+**/lib/binary/*.node
+**/lib/binary/napi-v*/*.node
+**/build-tmp-napi-v*
+prebuilds
+**/test.js
+**/.cache/
+**/test/typings-compatibility/
+script/*.d.ts
+script/*.d.*ts
+script/*js.map
+**/tsconfig.tsbuildinfo
+**/tsconfig.*.tsbuildinfo
+doc-unminified
+**/.DS_Store
+**/.idea
+staging
+!lib/load-addon.js
+!lib/load-addon.js.map
+
+**/compile_commands.json
+
+smoke-test-*
+*.tgz
+
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9ed4daf0..1ae54bb1 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,9 +19,7 @@ jobs:
           - x64
         cpp_arch:
           - x64
-        docker:
-          - ""
-        docker_cmd:
+        dockerfile:
           - ""
 
         include:
@@ -44,12 +42,7 @@ jobs:
 
           # Alpine
           - os: ubuntu-22.04
-            docker: node:18-alpine
-            docker_cmd:
-              apk add --no-cache bash build-base curl git g++ make ninja-build
-              pkgconfig unzip zip python3 tar cmake ninja musl-dev && cp
-              /usr/lib/ninja-build/bin/ninja /usr/bin/ninja && npm i -g pnpm &&
-              pnpm install && pnpm run build
+            dockerfile: docker/alpine.dockerfile
             node_arch: x64
             cpp_arch: x64
 
@@ -82,7 +75,7 @@ jobs:
         shell: bash
 
       - name: Setup Cpp
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         uses: aminya/setup-cpp@v1
         with:
           vcvarsall: ${{ contains(matrix.os, 'windows') }}
@@ -98,34 +91,34 @@ jobs:
           brew install gnutls autoconf automake libtool 
 
       - uses: pnpm/action-setup@v4
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         with:
           version: 9
 
       - name: Install Node 20
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         uses: actions/setup-node@v4
         with:
           node-version: 20
           architecture: ${{ env.setup_node_arch }}
 
       - name: Install and Build Native
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         run: pnpm install
 
       - name: Build JavaScript
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         run: pnpm run build.js
 
       - name: Install Node 10
-        if: ${{ !matrix.docker && matrix.os != 'macos-14' }}
+        if: ${{ !matrix.dockerfile && matrix.os != 'macos-14' }}
         uses: actions/setup-node@v4
         with:
           node-version: 10
           architecture: ${{ env.setup_node_arch }}
 
       - name: Build Native
-        if: ${{ !matrix.docker && matrix.node_arch != 'ia32' }}
+        if: ${{ !matrix.dockerfile && matrix.node_arch != 'ia32' }}
         run: npm run build.native
 
       - name: Build Native Windows 32
@@ -135,19 +128,19 @@ jobs:
           windows-x86
 
       - name: Use Node 20
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         uses: actions/setup-node@v4
         with:
           node-version: 20
           architecture: ${{ env.setup_node_arch }}
 
       - name: Prebuild Docker
-        if: ${{ matrix.docker }}
+        if: ${{ matrix.dockerfile }}
         run: |
-          docker login -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }} ghcr.io
-          docker pull ${{ matrix.docker }}
-          docker tag ${{ matrix.docker }} builder
-          docker run --volume ${{ github.workspace }}:/app --workdir /app --privileged builder sh -c "${{ matrix.docker_cmd }}"
+          docker build -t zeromq -f ${{ matrix.dockerfile }} .
+          docker create --name zeromq-temp zeromq
+          docker cp zeromq-temp:/app/build ./build
+          docker rm -f zeromq-temp
 
       - name: Upload build
         uses: actions/upload-artifact@v4
@@ -157,11 +150,11 @@ jobs:
           overwrite: true
 
       - name: Lint
-        if: "${{ contains(matrix.os, 'ubuntu') && !matrix.docker }}"
+        if: "${{ contains(matrix.os, 'ubuntu') && !matrix.dockerfile }}"
         run: pnpm run lint-test
 
       - name: Test
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         uses: nick-fields/retry@v3
         with:
           timeout_minutes: 5
@@ -175,7 +168,7 @@ jobs:
         shell: bash
 
       - name: Test Compatibility
-        if: ${{ !matrix.docker }}
+        if: ${{ !matrix.dockerfile }}
         uses: nick-fields/retry@v3
         with:
           timeout_minutes: 5
@@ -189,7 +182,7 @@ jobs:
         shell: bash
 
       - name: Test Electron Windows/MacOS
-        if: "${{ !matrix.docker }}"
+        if: "${{ !matrix.dockerfile }}"
         uses: nick-fields/retry@v3
         with:
           timeout_minutes: 5
@@ -199,7 +192,7 @@ jobs:
         continue-on-error: true
 
       - name: Test Electron Linux
-        if: "${{ contains(matrix.os, 'ubuntu') && !matrix.docker }}"
+        if: "${{ contains(matrix.os, 'ubuntu') && !matrix.dockerfile }}"
         uses: nick-fields/retry@v3
         with:
           timeout_minutes: 5
diff --git a/README.md b/README.md
index 4fa41e72..1ccdfe09 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,7 @@ zmq_curve="true"
 zmq_sodium="true"
 ```
 
-Building libsodium requires running `brew install autoconf automake libtool`
+Building libsodium requires these dependencies on Linux/MacOS: `autoconf automake libtool`, which can be installed via `apt-get` or `brew`, etc.
 
 #### Draft support
 
diff --git a/docker/alpine.dockerfile b/docker/alpine.dockerfile
new file mode 100644
index 00000000..21a99e5c
--- /dev/null
+++ b/docker/alpine.dockerfile
@@ -0,0 +1,28 @@
+FROM node:18-alpine
+
+WORKDIR /app
+COPY ./ ./
+ENV VCPKG_FORCE_SYSTEM_BINARIES=1
+RUN apk add --no-cache \
+    bash \ 
+    build-base \
+    curl \ 
+    git \
+    g++ \ 
+    make \ 
+    ninja-build \
+    pkgconfig \
+    unzip \
+    zip \
+    python3 \
+    tar \
+    cmake \ 
+    ninja \
+    musl-dev \
+    automake \
+    autoconf \
+    libtool && \
+    cp /usr/lib/ninja-build/bin/ninja /usr/bin/ninja && \ 
+    npm i -g pnpm && \
+    pnpm install && \
+    pnpm run build