diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 7212d40..14b0a17 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -1,13 +1,13 @@
 name: End to end tests
 on:
- push:
-   paths-ignore:
-     - 'README.md'
-   branches:
-     - main
- pull_request:
-   paths-ignore:
-     - 'README.md'
+  push:
+    paths-ignore:
+      - 'README.md'
+    branches:
+      - main
+  pull_request:
+    paths-ignore:
+      - 'README.md'
 
 jobs:
   e2e-tests:
@@ -15,12 +15,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-       include:
-         - label: "local-encryption"
-         - label: "remote-auto"
-         - label: "remote-static"
-         - label: "remote-https-pinned"
-         - label: "remote-https-bad-cert"
+        include:
+          - label: "local-encryption"
+          - label: "remote-auto"
+          - label: "remote-static"
+          - label: "remote-https-pinned"
+          - label: "remote-https-bad-cert"
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -28,8 +28,6 @@ jobs:
           fetch-depth: 0
       - name: Install Go
         uses: actions/setup-go@v3
-        with:
-            go-version: '^1.19'
       - name: Run tests
         env:
           LABEL: ${{ matrix.label }}
diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index 98850d2..7ef6360 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -60,4 +60,4 @@ jobs:
           file: ./Dockerfile
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ${{ steps.prep.outputs.tags }}
\ No newline at end of file
+          tags: ${{ steps.prep.outputs.tags }}
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 17f8c14..2a43cd0 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -1,9 +1,10 @@
+---
 name: Unit tests
 on:
- push:
-   branches:
-     - master
- pull_request:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   unit-tests:
diff --git a/.yamllint b/.yamllint
new file mode 100644
index 0000000..242569f
--- /dev/null
+++ b/.yamllint
@@ -0,0 +1,21 @@
+extends: default
+
+rules:
+  # 80 chars should be enough, but don't fail if a line is longer
+  line-length:
+    max: 150
+    level: warning
+
+  # accept both     key:
+  #                   - item
+  #
+  # and             key:
+  #                 - item
+  indentation:
+    indent-sequences: whatever
+
+  truthy:
+    check-keys: false
+
+  document-start:
+    present: false
\ No newline at end of file
diff --git a/Earthfile b/Earthfile
index 9eac4e3..96f9211 100644
--- a/Earthfile
+++ b/Earthfile
@@ -112,3 +112,8 @@ e2e-tests:
     WITH DOCKER --allow-privileged
         RUN ./scripts/e2e-tests.sh
     END
+
+yamllint:
+    FROM cytopia/yamllint
+    COPY . .
+    RUN yamllint .github/workflows/