diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
new file mode 100644
index 0000000000..5ccc1c76d2
--- /dev/null
+++ b/.github/workflows/ci-build.yml
@@ -0,0 +1,180 @@
+name: Build project
+
+on:
+  push:
+    branches: [ "4.1", master ]
+  pull_request:
+    branches: [ "4.1", master ]
+
+  schedule:
+    - cron: '30 1 * * 1'  # At 01:30 on Monday, every Monday.
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  verify:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      # Cache .m2/repository
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: verify-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            verify-${{ runner.os }}-maven-
+
+      - name: Verify with Maven
+        run: mvn verify -B --file pom.xml -DskipTests=true
+
+  build-linux-x86_64-java8:
+    runs-on: ubuntu-latest
+    needs: verify
+    steps:
+      - uses: actions/checkout@v2
+
+      # Cache .m2/repository
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: build-linux-x86_64-java8-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            build-linux-x86_64-java8-${{ runner.os }}-maven-
+
+      # Enable caching of Docker layers
+      - uses: satackey/action-docker-layer-caching@v0.0.8
+        continue-on-error: true
+        with:
+          key: build-linux-x86_64-java8-docker-cache-{hash}
+          restore-keys: |
+            build-linux-x86_64-java8-docker-cache-
+
+      - name: Build docker image
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml build
+
+      - name: Build project without leak detection
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml run build
+
+      - name: Build project with leak detection
+        if: ${{ github.event_name == 'pull_request' }}
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml run build-leak | tee build-leak.output
+
+      - name: Checking for detected leak
+        if: ${{ github.event_name == 'pull_request' }}
+        run: |
+          if grep -q 'LEAK:' build-leak.output ; then
+            echo "Leak detected, please inspect build log"
+            exit 1
+          else
+            echo "No Leak detected"
+          fi
+
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() }}
+        with:
+          name: target
+          path: "**/target/"
+
+  build-linux-x86_64-java11:
+    runs-on: ubuntu-latest
+    needs: verify
+    steps:
+      - uses: actions/checkout@v2
+
+      # Cache .m2/repository
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: build-linux-x86_64-java11-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            build-linux-x86_64-java11-${{ runner.os }}-maven-
+
+      # Enable caching of Docker layers
+      - uses: satackey/action-docker-layer-caching@v0.0.8
+        continue-on-error: true
+        with:
+          key: build-linux-x86_64-java11-docker-cache-{hash}
+          restore-keys: |
+            build-linux-x86_64-java11-docker-cache-
+
+      - name: Build docker image
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.111.yaml build
+
+      - name: Build project without leak detection
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.111.yaml run build
+
+      - name: Build project with leak detection
+        if: ${{ github.event_name == 'pull_request' }}
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.111.yaml run build-leak | tee build-leak.output
+
+      - name: Checking for detected leak
+        if: ${{ github.event_name == 'pull_request' }}
+        run: |
+          if grep -q 'LEAK:' build-leak.output ; then
+            echo "Leak detected, please inspect build log"
+            exit 1
+          else
+            echo "No Leak detected"
+          fi
+
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() }}
+        with:
+          name: target
+          path: "**/target/"
+
+  build-linux-x86_64-java15:
+    runs-on: ubuntu-latest
+    needs: verify
+    steps:
+      - uses: actions/checkout@v2
+
+      # Cache .m2/repository
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: build-linux-x86_64-java15-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            build-linux-x86_64-java15-${{ runner.os }}-maven-
+
+      # Enable caching of Docker layers
+      - uses: satackey/action-docker-layer-caching@v0.0.8
+        continue-on-error: true
+        with:
+          key: build-linux-x86_64-java15-docker-cache-{hash}
+          restore-keys: |
+            build-linux-x86_64-java15-docker-cache-
+
+      - name: Build docker image
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.115.yaml build
+
+      - name: Build project without leak detection
+        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.115.yaml run build
+
+      - name: Build project with leak detection
+        if: ${{ github.event_name == 'pull_request' }}
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.115.yaml run build-leak | tee build-leak.output
+
+      - name: Checking for detected leak
+        if: ${{ github.event_name == 'pull_request' }}
+        run: |
+          if grep -q 'LEAK:' build-leak.output ; then
+            echo "Leak detected, please inspect build log"
+            exit 1
+          else
+            echo "No Leak detected"
+          fi
+
+      - uses: actions/upload-artifact@v2
+        if: ${{ failure() }}
+        with:
+          name: target
+          path: "**/target/"
diff --git a/.github/workflows/ci-deploy.yml b/.github/workflows/ci-deploy.yml
new file mode 100644
index 0000000000..cdaab60e6e
--- /dev/null
+++ b/.github/workflows/ci-deploy.yml
@@ -0,0 +1,48 @@
+name: Deploy project
+
+on:
+  push:
+    branches: [ "4.1", master ]
+
+  schedule:
+    - cron: '30 1 * * 1'  # At 01:30 on Monday, every Monday.
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  deploy-linux-x86_64:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: s4u/maven-settings-action@v2.2.0
+        with:
+          servers: |
+            [{
+                "id": "sonatype-nexus-snapshots",
+                "username": "${{ secrets.SONATYPE_USERNAME }}",
+                "password": "${{ secrets.SONATYPE_PASSWORD }}"
+            }]
+
+      - uses: actions/checkout@v2
+
+      # Cache .m2/repository
+      - uses: actions/cache@v1
+        with:
+          path: ~/.m2/repository
+          key: deploy-linux-x86_64-${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            deploy-linux-x86_64-${{ runner.os }}-maven-
+
+      # Enable caching of Docker layers
+      - uses: satackey/action-docker-layer-caching@v0.0.8
+        continue-on-error: true
+        with:
+          key: deploy-linux-x86_64-docker-cache-{hash}
+          restore-keys: |
+            deploy-linux-x86_64-docker-cache-
+
+      - name: Build docker image
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml build
+
+      - name: Deploy snapshots
+        run: docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml run deploy
diff --git a/docker/Dockerfile.centos b/docker/Dockerfile.centos6
similarity index 72%
rename from docker/Dockerfile.centos
rename to docker/Dockerfile.centos6
index e6df940e0c..becd8f109d 100644
--- a/docker/Dockerfile.centos
+++ b/docker/Dockerfile.centos6
@@ -1,7 +1,7 @@
-ARG centos_version=6
-FROM centos:$centos_version
-# needed to do again after FROM due to docker limitation
-ARG centos_version
+FROM centos:6.10
+
+# Update as we need to use the vault now.
+RUN sed -i -e 's/^mirrorlist/#mirrorlist/g' -e 's/^#baseurl=http:\/\/mirror.centos.org\/centos\/$releasever\//baseurl=http:\/\/vault.centos.org\/6.10\//g' /etc/yum.repos.d/CentOS-Base.repo
 
 # install dependencies
 RUN yum install -y \
diff --git a/docker/README.md b/docker/README.md
index e66c984e2e..14b17f7195 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -10,10 +10,10 @@ cd /path/to/netty/
 docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml run test
 ```
 
-## centos 7 with java 11
+## centos 6 with java 11
 
 ```
-docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-7.111.yaml run test
+docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.111.yaml run test
 ```
 
 ## aarch64 cross compile for transport-native-epoll on X86_64
diff --git a/docker/docker-compose.centos-6.110.yaml b/docker/docker-compose.centos-6.110.yaml
index 7a60f46e32..c55fb0bd31 100644
--- a/docker/docker-compose.centos-6.110.yaml
+++ b/docker/docker-compose.centos-6.110.yaml
@@ -6,7 +6,6 @@ services:
     image: netty:centos-6-1.10
     build:
       args:
-        centos_version : "6"
         java_version : "zulu@1.10.0-2"
 
   test:
diff --git a/docker/docker-compose.centos-6.111.yaml b/docker/docker-compose.centos-6.111.yaml
index 17b260872f..142f4ea046 100644
--- a/docker/docker-compose.centos-6.111.yaml
+++ b/docker/docker-compose.centos-6.111.yaml
@@ -6,9 +6,14 @@ services:
     image: netty:centos-6-1.11
     build:
       args:
-        centos_version : "6"
         java_version : "adopt@1.11.0-9"
 
+  build:
+    image: netty:centos-6-1.11
+
+  build-leak:
+    image: netty:centos-6-1.11
+
   test:
     image: netty:centos-6-1.11
 
diff --git a/docker/docker-compose.centos-6.112.yaml b/docker/docker-compose.centos-6.112.yaml
deleted file mode 100644
index aee3e1fe2c..0000000000
--- a/docker/docker-compose.centos-6.112.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-6-1.12
-    build:
-      args:
-        centos_version : "6"
-        java_version : "adopt@1.12.0-2"
-
-  test:
-    image: netty:centos-6-1.12
-
-  test-leak:
-    image: netty:centos-6-1.12
-
-  test-boringssl-static:
-    image: netty:centos-6-1.12
-
-  shell:
-    image: netty:centos-6-1.12
diff --git a/docker/docker-compose.centos-6.113.yaml b/docker/docker-compose.centos-6.113.yaml
deleted file mode 100644
index 00fb881449..0000000000
--- a/docker/docker-compose.centos-6.113.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-6-1.13
-    build:
-      args:
-        centos_version : "6"
-        java_version : "adopt@1.13.0-2"
-
-  test:
-    image: netty:centos-6-1.13
-
-  test-leak:
-    image: netty:centos-6-1.13
-
-  test-boringssl-static:
-    image: netty:centos-6-1.13
-
-  shell:
-    image: netty:centos-6-1.13
diff --git a/docker/docker-compose.centos-6.114.yaml b/docker/docker-compose.centos-6.114.yaml
deleted file mode 100644
index 74a84f153a..0000000000
--- a/docker/docker-compose.centos-6.114.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-6-1.14
-    build:
-      args:
-        centos_version : "6"
-        java_version : "adopt@1.14.0-2"
-
-  test:
-    image: netty:centos-6-1.14
-
-  test-leak:
-    image: netty:centos-6-1.14
-
-  test-boringssl-static:
-    image: netty:centos-6-1.14
-
-  shell:
-    image: netty:centos-6-1.14
diff --git a/docker/docker-compose.centos-6.115.yaml b/docker/docker-compose.centos-6.115.yaml
index abefc313d2..ce334122d0 100644
--- a/docker/docker-compose.centos-6.115.yaml
+++ b/docker/docker-compose.centos-6.115.yaml
@@ -6,11 +6,16 @@ services:
     image: netty:centos-6-1.15
     build:
       args:
-        centos_version : "6"
         # use zulu and not adoptjdk for now as adoptjdk15 does not support centos6
         # https://github.com/AdoptOpenJDK/openjdk-build/issues/2097
         java_version : "zulu@1.15.0-1"
 
+  build:
+    image: netty:centos-6-1.15
+
+  build-leak:
+    image: netty:centos-6-1.15
+
   test:
     image: netty:centos-6-1.15
 
diff --git a/docker/docker-compose.centos-6.18.yaml b/docker/docker-compose.centos-6.18.yaml
index 3be9a4994f..518fc6593d 100644
--- a/docker/docker-compose.centos-6.18.yaml
+++ b/docker/docker-compose.centos-6.18.yaml
@@ -6,9 +6,14 @@ services:
     image: netty:centos-6-1.8
     build:
       args:
-        centos_version : "6"
         java_version : "adopt@1.8.0-272"
 
+  build:
+    image: netty:centos-6-1.8
+
+  build-leak:
+    image: netty:centos-6-1.8
+
   test:
     image: netty:centos-6-1.8
 
diff --git a/docker/docker-compose.centos-6.19.yaml b/docker/docker-compose.centos-6.19.yaml
deleted file mode 100644
index ee34c53ae2..0000000000
--- a/docker/docker-compose.centos-6.19.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-6-1.9
-    build:
-      args:
-        centos_version : "6"
-        java_version : "zulu@1.9.0-7"
-
-  test:
-    image: netty:centos-6-1.9
-
-  test-leak:
-    image: netty:centos-6-1.9
-
-  test-boringssl-static:
-    image: netty:centos-6-1.9
-
-  shell:
-    image: netty:centos-6-1.9
diff --git a/docker/docker-compose.centos-6.graalvm111.yaml b/docker/docker-compose.centos-6.graalvm111.yaml
index cca36fe75b..8d960fe8dd 100644
--- a/docker/docker-compose.centos-6.graalvm111.yaml
+++ b/docker/docker-compose.centos-6.graalvm111.yaml
@@ -6,7 +6,6 @@ services:
     image: netty:centos-6-1.11
     build:
       args:
-        centos_version : "6"
         java_version : "graalvm-ce-java11@20.1.0"
 
   test:
diff --git a/docker/docker-compose.centos-6.graalvm18.yaml b/docker/docker-compose.centos-6.graalvm18.yaml
index fb39d7c7de..e314693863 100644
--- a/docker/docker-compose.centos-6.graalvm18.yaml
+++ b/docker/docker-compose.centos-6.graalvm18.yaml
@@ -6,7 +6,6 @@ services:
     image: netty:centos-6-1.8
     build:
       args:
-        centos_version : "6"
         java_version : "graalvm-ce-java8@20.1.0"
 
   test:
diff --git a/docker/docker-compose.centos-6.openj9111.yaml b/docker/docker-compose.centos-6.openj9111.yaml
index 3c81ab694e..d9680d69d0 100644
--- a/docker/docker-compose.centos-6.openj9111.yaml
+++ b/docker/docker-compose.centos-6.openj9111.yaml
@@ -6,7 +6,6 @@ services:
     image: netty:centos-6-openj9-1.11
     build:
       args:
-        centos_version : "6"
         java_version : "adopt-openj9@1.11.0-9"
 
   test:
diff --git a/docker/docker-compose.centos-7.110.yaml b/docker/docker-compose.centos-7.110.yaml
deleted file mode 100644
index 280ed73b96..0000000000
--- a/docker/docker-compose.centos-7.110.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.10
-    build:
-      args:
-        centos_version : "7"
-        java_version : "zulu@1.10.0-2"
-
-  test:
-    image: netty:centos-7-1.10
-
-  test-leak:
-    image: netty:centos-7-1.10
-
-  test-boringssl-static:
-    image: netty:centos-7-1.10
-
-  shell:
-    image: netty:centos-7-1.10
diff --git a/docker/docker-compose.centos-7.111.yaml b/docker/docker-compose.centos-7.111.yaml
deleted file mode 100644
index 7845de7782..0000000000
--- a/docker/docker-compose.centos-7.111.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.11
-    build:
-      args:
-        centos_version : "7"
-        java_version : "adopt@1.11.0-9"
-
-  test:
-    image: netty:centos-7-1.11
-
-  test-leak:
-    image: netty:centos-7-1.11
-
-  test-boringssl-static:
-    image: netty:centos-7-1.11
-
-  shell:
-    image: netty:centos-7-1.11
diff --git a/docker/docker-compose.centos-7.112.yaml b/docker/docker-compose.centos-7.112.yaml
deleted file mode 100644
index d628188bba..0000000000
--- a/docker/docker-compose.centos-7.112.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.12
-    build:
-      args:
-        centos_version : "7"
-        java_version : "adopt@1.12.0-2"
-
-  test:
-    image: netty:centos-7-1.12
-
-  test-leak:
-    image: netty:centos-7-1.12
-
-  test-boringssl-static:
-    image: netty:centos-7-1.12
-
-  shell:
-    image: netty:centos-7-1.12
diff --git a/docker/docker-compose.centos-7.113.yaml b/docker/docker-compose.centos-7.113.yaml
deleted file mode 100644
index 24386ddedf..0000000000
--- a/docker/docker-compose.centos-7.113.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.13
-    build:
-      args:
-        centos_version : "7"
-        java_version : "adopt@1.13.0-2"
-
-  test:
-    image: netty:centos-7-1.13
-
-  test-leak:
-    image: netty:centos-7-1.13
-
-  test-boringssl-static:
-    image: netty:centos-7-1.13
-
-  shell:
-    image: netty:centos-7-1.13
diff --git a/docker/docker-compose.centos-7.114.yaml b/docker/docker-compose.centos-7.114.yaml
deleted file mode 100644
index 133943d17a..0000000000
--- a/docker/docker-compose.centos-7.114.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.14
-    build:
-      args:
-        centos_version : "7"
-        java_version : "adopt@1.14.0-2"
-
-  test:
-    image: netty:centos-7-1.14
-
-  test-leak:
-    image: netty:centos-7-1.14
-
-  test-boringssl-static:
-    image: netty:centos-7-1.14
-
-  shell:
-    image: netty:centos-7-1.14
diff --git a/docker/docker-compose.centos-7.115.yaml b/docker/docker-compose.centos-7.115.yaml
deleted file mode 100644
index d2f1a966a4..0000000000
--- a/docker/docker-compose.centos-7.115.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.15
-    build:
-      args:
-        centos_version : "7"
-        java_version : "adopt@1.15.0-1"
-
-  test:
-    image: netty:centos-7-1.15
-
-  test-leak:
-    image: netty:centos-7-1.15
-
-  test-boringssl-static:
-    image: netty:centos-7-1.15
-
-  shell:
-    image: netty:centos-7-1.15
diff --git a/docker/docker-compose.centos-7.18.yaml b/docker/docker-compose.centos-7.18.yaml
deleted file mode 100644
index f6815e8e56..0000000000
--- a/docker/docker-compose.centos-7.18.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.8
-    build:
-      args:
-        centos_version : "7"
-        java_version : "adopt@1.8.0-272"
-
-  test:
-    image: netty:centos-7-1.8
-
-  test-leak:
-    image: netty:centos-7-1.8
-
-  test-boringssl-static:
-    image: netty:centos-7-1.8
-
-  shell:
-    image: netty:centos-7-1.8
diff --git a/docker/docker-compose.centos-7.19.yaml b/docker/docker-compose.centos-7.19.yaml
deleted file mode 100644
index d1b6acf634..0000000000
--- a/docker/docker-compose.centos-7.19.yaml
+++ /dev/null
@@ -1,22 +0,0 @@
-version: "3"
-
-services:
-
-  runtime-setup:
-    image: netty:centos-7-1.9
-    build:
-      args:
-        centos_version : "7"
-        java_version : "zulu@1.9.0-7"
-
-  test:
-    image: netty:centos-7-1.9
-
-  test-leak:
-    image: netty:centos-7-1.9
-
-  test-boringssl-static:
-    image: netty:centos-7-1.9
-
-  shell:
-    image: netty:centos-7-1.9
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index a1fb55b972..0ac9004366 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -6,7 +6,7 @@ services:
     image: netty:default
     build:
       context: .
-      dockerfile: Dockerfile.centos
+      dockerfile: Dockerfile.centos6
 
   common: &common
     image: netty:default
@@ -17,6 +17,14 @@ services:
       - ..:/code:delegated
     working_dir: /code
 
+  build-leak:
+    <<: *common
+    command: /bin/bash -cl "./mvnw -Pleak clean install -Dio.netty.testsuite.badHost=netty.io"
+
+  build:
+    <<: *common
+    command: /bin/bash -cl "./mvnw clean install -Dio.netty.testsuite.badHost=netty.io"
+
   test-leak:
     <<: *common
     command: /bin/bash -cl "./mvnw -Pleak clean install -Dio.netty.testsuite.badHost=netty.io -Dmaven.wagon.http.pool=false"
@@ -31,43 +39,9 @@ services:
 
   shell:
     <<: *common
-    environment:
-      - SANOTYPE_USER
-      - SANOTYPE_PASSWORD
     volumes:
       - ~/.ssh:/root/.ssh:delegated
       - ~/.gnupg:/root/.gnupg:delegated
       - ..:/code:delegated
       - ~/.m2:/root/.m2:delegated
     entrypoint: /bin/bash
-
-  cross-compile-aarch64-runtime-setup:
-    image: netty:cross_compile_aarch64
-    build:
-      context: .
-      dockerfile: Dockerfile.cross_compile_aarch64
-      args:
-        gcc_version : "4.9-2016.02"
-
-  cross-compile-aarch64-shell:
-    image: netty:cross_compile_aarch64
-    depends_on: [cross-compile-aarch64-runtime-setup]
-    volumes:
-      - ~/.ssh:/root/.ssh:delegated
-      - ~/.gnupg:/root/.gnupg:delegated
-      - ..:/code:delegated
-      - ~/.m2:/root/.m2:delegated
-    entrypoint: /bin/bash
-    working_dir: /code
-
-  cross-compile-aarch64-build:
-    image: netty:cross_compile_aarch64
-    depends_on: [cross-compile-aarch64-runtime-setup]
-    volumes:
-      - ~/.ssh:/root/.ssh:delegated
-      - ~/.gnupg:/root/.gnupg:delegated
-      - ..:/code:delegated
-      - ~/.m2:/root/.m2:delegated
-    # Since we are cross compiling netty-transport-native-epoll as aarch64 which cannot be loaded on x86_64, we add `skipTests` here to skip the test.
-    command: /bin/bash -cl "pushd ./transport-native-unix-common && ../mvnw clean install -Plinux-aarch64 && popd && pushd ./transport-native-epoll && ../mvnw clean install -Plinux-aarch64 -DskipTests && popd"
-    working_dir: /code