feat: input context

action.yml

@@ -8,6 +8,9 @@ inputs:
   dockerfile:
     description: The Dockerfile to pass to Kaniko
     required: false
+  context:
+    description: Build context directory (absolute or relative to GITHUB_WORKSPACE)
+    required: false
   image:
     description: Name and tag under which to upload the image
     required: true
@@ -31,13 +34,31 @@ runs:
       mkdir -p /kaniko/.docker
       echo '{"auths":{"${{ inputs.registry }}":{"auth":"'$(printf "%s:%s" "${{ inputs.username }}" "${{ inputs.password }}" | base64 | tr -d '\n')'"}}}' > /kaniko/.docker/config.json
 
+      # Resolve build context
+      if [ -n "${{ inputs.context }}" ]; then
+        case "${{ inputs.context }}" in
+          /*)
+            CONTEXT="${{ inputs.context }}"
+            ;;
+          *)
+            CONTEXT="$GITHUB_WORKSPACE/${{ inputs.context }}"
+            ;;
+        esac
+      else
+        CONTEXT="$GITHUB_WORKSPACE"
+      fi
+
+      echo "Using context: $CONTEXT"
+
+      # Ensure Dockerfile exists within the resolved context
       if [ -n "${{ inputs.dockerfile }}" ]; then
         echo "Using Dockerfile from input"
-        echo "${{ inputs.dockerfile }}" > Dockerfile
-      elif [ -f "./Dockerfile" ]; then
-        echo "Using existing ./Dockerfile from workspace"
+        mkdir -p "$CONTEXT"
+        echo "${{ inputs.dockerfile }}" > "$CONTEXT/Dockerfile"
+      elif [ -f "$CONTEXT/Dockerfile" ]; then
+        echo "Using existing Dockerfile at $CONTEXT/Dockerfile"
       else
-        echo "ERROR: No Dockerfile provided and no ./Dockerfile found in workspace"
+        echo "ERROR: No Dockerfile provided and no Dockerfile found at $CONTEXT/Dockerfile"
         exit 1
       fi
 
@@ -48,4 +69,4 @@ runs:
 
       echo "Destinations: $dest_flags"
 
-      /kaniko/executor --dockerfile Dockerfile --context $GITHUB_WORKSPACE $dest_flags
+      /kaniko/executor --dockerfile Dockerfile --context "$CONTEXT" $dest_flags