diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd3354f..23ad4d1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,24 +32,31 @@ jobs:
         id: expect-failure
         uses: ./
         with:
-          config_file: .markdownlintrc
+          config: .markdownlintrc
           files: .
           rules: examples/rules/custom.js
         continue-on-error: true
       - if: ${{ steps.expect-failure.outcome != 'failure' }}
         run: |
           exit 1
-      - name: Test ignore_files
+      - name: Test ignore
         uses: ./
         with:
-          config_file: .markdownlintrc
+          config: .markdownlintrc
+          files: .
+          ignore: examples/ignore/*
+          rules: examples/rules/custom.js
+      - name: Test ignore_files deprecation
+        uses: ./
+        with:
+          config: .markdownlintrc
           files: .
           ignore_files: examples/ignore/*
           rules: examples/rules/custom.js
       - name: Test ignore_path
         uses: ./
         with:
-          config_file: .markdownlintrc
+          config: .markdownlintrc
           files: .
           ignore_path: examples/.markdownlintignore
           rules: examples/rules/custom.js
diff --git a/README.md b/README.md
index 988808a..5eb9b05 100644
--- a/README.md
+++ b/README.md
@@ -10,25 +10,36 @@ A GitHub Action that performs style checking and linting for Markdown/CommonMark
 Basic usage with all options enabled:
 
 ```yaml
-
-      - name: markdownlint-cli
-        uses: nosborn/github-action-markdown-cli@v3.0.1
-        with:
-          files: .
-          config_file: .markdownlint.yaml
-          ignore_files: examples/ignore/*
-          ignore_path: examples/.markdownlintignore
-          rules: examples/rules/custom.js
-
+- name: markdownlint-cli
+  uses: nosborn/github-action-markdown-cli@v3.0.1
+  with:
+    files: .
+    config: .markdownlint.yaml
+    disable: MD013 MD041
+    dot: true
+    enable: MD013 MD041
+    ignore: examples/ignore/*
+    ignore_path: examples/.markdownlintignore
+    rules: examples/rules/custom.js
 ```
 
 ## Inputs
 
-* `files` - what to process (files, directories, globs)
-* `config_file` (optional) - configuration file (JSON or YAML)
-* `ignore_files` (optional) - files to ignore/exclude (file, directory, glob)
-* `ignore_path` (optional) - path to file with ignore pattern(s)
-* `rules` (optional) - custom rule files (file, directory, glob, package)
+- `files` - what to process (files, directories, globs)
+- `config` (optional) - configuration file (JSON or YAML)
+- `disable` (optional) - disable certain rules, for example `MD013 MD041`
+- `dot` (optional) - if `true`, include files/folders with a dot (for example `.github`)
+- `enable` (optional) - enable certain rules, for example `MD013 MD041`
+- `ignore` (optional) - files to ignore/exclude (file, directory, glob)
+- `ignore_path` (optional) - path to file with ignore pattern(s)
+- `rules` (optional) - custom rule files (file, directory, glob, package)
+
+### Deprecated inputs
+
+These inputs are still available but will be removed in a future major version.
+
+- `config_file` (optional) - configuration file (JSON or YAML) - superseded by `config`
+- `ignore_files` (optional) - files to ignore/exclude (file, directory, glob) - superseded by `ignore`
 
 ## License
 
diff --git a/action.yml b/action.yml
index 668b685..02a6d40 100644
--- a/action.yml
+++ b/action.yml
@@ -4,15 +4,34 @@ author: Nick Osborn
 description: Style checker and lint tool for Markdown/CommonMark files.
 
 inputs:
+  config:
+    description: configuration file (JSON or YAML)
+    required: false
   config_file:
     description: configuration file (JSON or YAML)
     required: false
+    deprecationMessage: Please use 'config' instead.
+  disable:
+    description: enable certain rules, for example 'MD013 MD041'
+    required: false
+  dot:
+    description: >
+      if 'true', include files/folders with a dot (for example '.github')
+    required: false
+    default: false
+  enable:
+    description: enable certain rules, for example 'MD013 MD041'
+    required: false
   files:
     description: files, directories, or globs
     required: true
+  ignore:
+    description: files to ignore/exclude
+    required: false
   ignore_files:
     description: files to ignore/exclude
     required: false
+    deprecationMessage: Please use 'ignore' instead.
   ignore_path:
     description: path to file with ignore pattern(s)
     required: false
diff --git a/entrypoint.sh b/entrypoint.sh
index 8df3306..5311003 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,20 +1,32 @@
 #!/bin/sh
 
+set -o errexit
+set -o nounset
+
+: "${INPUT_CONFIG:=${INPUT_CONFIG_FILE:-}}"
+: "${INPUT_IGNORE:=${INPUT_IGNORE_FILES:-}}"
+
 MARKDOWNLINT=markdownlint
-MARKDOWNLINT="${MARKDOWNLINT}${INPUT_CONFIG_FILE:+ -c ${INPUT_CONFIG_FILE}}"
-MARKDOWNLINT="${MARKDOWNLINT}${INPUT_IGNORE_FILES:+ -i ${INPUT_IGNORE_FILES}}"
+MARKDOWNLINT="${MARKDOWNLINT}${INPUT_CONFIG:+ -c ${INPUT_CONFIG}}"
+MARKDOWNLINT="${MARKDOWNLINT}${INPUT_DISABLE:+ --disable ${INPUT_DISABLE:?}}"
+# shellcheck disable=SC2312
+[ "$(echo "${INPUT_DOT:?}" | tr '[:upper:]' '[:lower:]')" = true ] && {
+  MARKDOWNLINT="${MARKDOWNLINT} --dot"
+}
+MARKDOWNLINT="${MARKDOWNLINT}${INPUT_ENABLE:+ --enable ${INPUT_ENABLE:?}}"
+MARKDOWNLINT="${MARKDOWNLINT}${INPUT_IGNORE:+ -i ${INPUT_IGNORE}}"
 MARKDOWNLINT="${MARKDOWNLINT}${INPUT_IGNORE_PATH:+ -p ${INPUT_IGNORE_PATH}}"
 MARKDOWNLINT="${MARKDOWNLINT}${INPUT_RULES:+ -r ${INPUT_RULES}}"
 
-PROBLEM_MATCHER="$(mktemp -p "${GITHUB_WORKSPACE}")"
+PROBLEM_MATCHER="$(mktemp -p "${GITHUB_WORKSPACE:?}")"
 trap 'rm -f "${PROBLEM_MATCHER}"' EXIT
-cp /markdownlint-problem-matcher.json "${PROBLEM_MATCHER:?}" || exit
-echo "::add-matcher::${PROBLEM_MATCHER:?}"
+cp /markdownlint-problem-matcher.json "${PROBLEM_MATCHER}" || exit
+echo "::add-matcher::${PROBLEM_MATCHER}"
 
 # shellcheck disable=SC2086
-${MARKDOWNLINT} ${INPUT_FILES}
-readonly RC=$?
+${MARKDOWNLINT} ${INPUT_FILES:?} || readonly rc=$?
 
 echo '::remove-matcher owner=markdownlint::'
 
-exit ${RC}
+# shellcheck disable=SC2248
+exit ${rc:-}