Fix linting errors

.github/linters/.checkov.yml

@@ -0,0 +1,6 @@
+quiet: true
+skip-check:
+  # Ensure that HEALTHCHECK instructions have been added to container images
+  - CKV_DOCKER_2
+  # Ensure that a user for the container has been created
+  - CKV_DOCKER_3

.github/workflows/ci.yml

@@ -2,6 +2,8 @@ name: Continuous Integration
 
 on:
   pull_request:
+    branches:
+      - main
   push:
     branches:
       - main

.github/workflows/linter.yml

@@ -2,6 +2,8 @@ name: Lint Codebase
 
 on:
   pull_request:
+    branches:
+      - main
   push:
     branches:
       - main
@@ -20,6 +22,8 @@ jobs:
       - name: Checkout
         id: checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Lint Codebase
         id: super-linter

entrypoint.sh

@@ -7,6 +7,6 @@ GREETING="Hello, $INPUT_WHO_TO_GREET!"
 echo "::notice file=entrypoint.sh,line=7::$GREETING"
 
 # Write outputs to the $GITHUB_OUTPUT file
-echo "greeting=$GREETING" >> "$GITHUB_OUTPUT"
+echo "greeting=$GREETING" >>"$GITHUB_OUTPUT"
 
 exit 0