Merge b045ea1d9e into b45623637f

.github/workflows/codeql.yml

@@ -20,7 +20,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@v3
       # Override language selection by uncommenting this and choosing your languages
       # with:
       #   languages: go, javascript, csharp, python, cpp, java, ruby
@@ -28,7 +28,7 @@ jobs:
     # Autobuild attempts to build any compiled languages (C/C++, C#, Go, or Java).
     # If this step fails, then you should remove it and run the build manually (see below).
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v4
+      uses: github/codeql-action/autobuild@v3
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -42,4 +42,4 @@ jobs:
     #     make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@v3

.github/workflows/workflow.yml

@@ -90,86 +90,15 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: ubuntu:latest
-      options: --cap-add=NET_ADMIN
+      options: --dns 127.0.0.1
     services:
       squid-proxy:
         image: ubuntu/squid:latest
         ports:
           - 3128:3128
     env:
-      http_proxy: http://squid-proxy:3128
       https_proxy: http://squid-proxy:3128
     steps:
-    - name: Wait for proxy to be ready
-      shell: bash
-      run: |
-        echo "Waiting for squid proxy to be ready..."
-        echo "Resolving squid-proxy hostname:"
-        getent hosts squid-proxy || echo "DNS resolution failed"
-        for i in $(seq 1 30); do
-          if (echo > /dev/tcp/squid-proxy/3128) 2>/dev/null; then
-            echo "Proxy is ready!"
-            exit 0
-          fi
-          echo "Attempt $i: Proxy not ready, waiting..."
-          sleep 2
-        done
-        echo "Proxy failed to become ready"
-        exit 1
-      env:
-        http_proxy: ""
-        https_proxy: ""
-    - name: Install dependencies
-      run: |
-        apt-get update
-        apt-get install -y iptables curl
-    - name: Verify proxy is working
-      run: |
-        echo "Testing proxy connectivity..."
-        curl -s -o /dev/null -w "%{http_code}" --proxy http://squid-proxy:3128 http://github.com || true
-        echo "Proxy verification complete"
-    - name: Block direct traffic (enforce proxy usage)
-      run: |
-        # Get the squid-proxy container IP
-        PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }')
-        echo "Proxy IP: $PROXY_IP"
-        
-        # Allow loopback traffic
-        iptables -A OUTPUT -o lo -j ACCEPT
-        
-        # Allow traffic to the proxy container
-        iptables -A OUTPUT -d $PROXY_IP -j ACCEPT
-        
-        # Allow established connections
-        iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-        
-        # Allow DNS (needed for initial resolution)
-        iptables -A OUTPUT -p udp --dport 53 -j ACCEPT
-        iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT
-        
-        # Block all other outbound traffic (HTTP/HTTPS)
-        iptables -A OUTPUT -p tcp --dport 80 -j REJECT
-        iptables -A OUTPUT -p tcp --dport 443 -j REJECT
-        
-        # Log the iptables rules for debugging
-        iptables -L -v -n
-    - name: Verify direct HTTPS is blocked
-      run: |
-        echo "Testing that direct HTTPS requests fail..."
-        if curl --noproxy '*' -s --connect-timeout 5 https://github.com > /dev/null 2>&1; then
-          echo "ERROR: Direct HTTPS request succeeded - blocking is not working!"
-          exit 1
-        else
-          echo "SUCCESS: Direct HTTPS request was blocked as expected"
-        fi
-        
-        echo "Testing that HTTPS through proxy succeeds..."
-        if curl --proxy http://squid-proxy:3128 -s --connect-timeout 10 https://github.com > /dev/null 2>&1; then
-          echo "SUCCESS: HTTPS request through proxy succeeded"
-        else
-          echo "ERROR: HTTPS request through proxy failed!"
-          exit 1
-        fi
     - name: Checkout
       uses: actions/checkout@v5
     - name: Generate files
@@ -185,86 +114,15 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: ubuntu:latest
-      options: --cap-add=NET_ADMIN
+      options: --dns 127.0.0.1
     services:
       squid-proxy:
         image: ubuntu/squid:latest
         ports:
           - 3128:3128
     env:
-      http_proxy: http://squid-proxy:3128
       https_proxy: http://squid-proxy:3128
     steps:
-    - name: Wait for proxy to be ready
-      shell: bash
-      run: |
-        echo "Waiting for squid proxy to be ready..."
-        echo "Resolving squid-proxy hostname:"
-        getent hosts squid-proxy || echo "DNS resolution failed"
-        for i in $(seq 1 30); do
-          if (echo > /dev/tcp/squid-proxy/3128) 2>/dev/null; then
-            echo "Proxy is ready!"
-            exit 0
-          fi
-          echo "Attempt $i: Proxy not ready, waiting..."
-          sleep 2
-        done
-        echo "Proxy failed to become ready"
-        exit 1
-      env:
-        http_proxy: ""
-        https_proxy: ""
-    - name: Install dependencies
-      run: |
-        apt-get update
-        apt-get install -y iptables curl
-    - name: Verify proxy is working
-      run: |
-        echo "Testing proxy connectivity..."
-        curl -s -o /dev/null -w "%{http_code}" --proxy http://squid-proxy:3128 http://github.com || true
-        echo "Proxy verification complete"
-    - name: Block direct traffic (enforce proxy usage)
-      run: |
-        # Get the squid-proxy container IP
-        PROXY_IP=$(getent hosts squid-proxy | awk '{ print $1 }')
-        echo "Proxy IP: $PROXY_IP"
-        
-        # Allow loopback traffic
-        iptables -A OUTPUT -o lo -j ACCEPT
-        
-        # Allow traffic to the proxy container
-        iptables -A OUTPUT -d $PROXY_IP -j ACCEPT
-        
-        # Allow established connections
-        iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-        
-        # Allow DNS (needed for initial resolution)
-        iptables -A OUTPUT -p udp --dport 53 -j ACCEPT
-        iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT
-        
-        # Block all other outbound traffic (HTTP/HTTPS)
-        iptables -A OUTPUT -p tcp --dport 80 -j REJECT
-        iptables -A OUTPUT -p tcp --dport 443 -j REJECT
-        
-        # Log the iptables rules for debugging
-        iptables -L -v -n
-    - name: Verify direct HTTPS is blocked
-      run: |
-        echo "Testing that direct HTTPS requests fail..."
-        if curl --noproxy '*' -s --connect-timeout 5 https://github.com > /dev/null 2>&1; then
-          echo "ERROR: Direct HTTPS request succeeded - blocking is not working!"
-          exit 1
-        else
-          echo "SUCCESS: Direct HTTPS request was blocked as expected"
-        fi
-        
-        echo "Testing that HTTPS through proxy succeeds..."
-        if curl --proxy http://squid-proxy:3128 -s --connect-timeout 10 https://github.com > /dev/null 2>&1; then
-          echo "SUCCESS: HTTPS request through proxy succeeded"
-        else
-          echo "ERROR: HTTPS request through proxy failed!"
-          exit 1
-        fi
     - name: Checkout
       uses: actions/checkout@v5
     - name: Restore cache

README.md

@@ -195,6 +195,7 @@ See [Examples](examples.md) for a list of `actions/cache` implementations for us
 * [Clojure - Lein Deps](./examples.md#clojure---lein-deps)
 * [D - DUB](./examples.md#d---dub)
 * [Deno](./examples.md#deno)
+* [Docker](./examples.md#docker)
 * [Elixir - Mix](./examples.md#elixir---mix)
 * [Go - Modules](./examples.md#go---modules)
 * [Haskell - Cabal](./examples.md#haskell---cabal)

examples.md

@@ -10,6 +10,7 @@
   - [Linux](#linux)
   - [macOS](#macos)
   - [Windows](#windows-1)
+- [Docker](#docker)
 - [Elixir - Mix](#elixir---mix)
 - [Erlang - Rebar3](#erlang--rebar3)
 - [Go - Modules](#go---modules)
@@ -49,7 +50,7 @@
   with:
     path: |
       ~/.bun/install/cache
-    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
 ```
 
 ### Windows
@@ -59,7 +60,7 @@
   with:
     path: |
       ~\.bun
-    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
+    key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lockb') }}
 ```
 
 ## C# - NuGet
@@ -176,6 +177,40 @@ steps:
     key: ${{ runner.os }}-deno-${{ hashFiles('**/deps.ts') }}
 ```
 
+## Docker
+
+```yaml
+- name: Cache Docker layers
+  uses: actions/cache@v3
+  with:
+    path: /tmp/.buildx-cache
+    key: my-project-${{ matrix.arch }}-buildx-${{ hashFiles('my-directory/Dockerfile') }}
+    restore-keys: |
+      my-project-${{ matrix.arch }}-buildx-
+- name: Set up QEMU
+  uses: docker/setup-qemu-action@v3
+- name: Set up Docker Buildx
+  uses: docker/setup-buildx-action@v3
+- name: Build and Test
+  uses: docker/build-push-action@v3
+  with:
+    push: false
+    context: .
+    platforms: ${{ matrix.arch }}
+    file: my-directory/Dockerfile
+    tags: my-username/my-image:latest
+    cache-from: type=local,src=/tmp/.buildx-cache
+    cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
+-
+  # Temporary workaround
+  # https://github.com/docker/build-push-action/issues/252
+  # https://github.com/moby/buildkit/issues/1896
+  name: Move cache
+  run: |
+    rm -rf /tmp/.buildx-cache
+    mv /tmp/.buildx-cache-new /tmp/.buildx-cache
+```
+
 ## Elixir - Mix
 
 ```yaml