diff --git a/.containerignore b/.containerignore
deleted file mode 100644
index 96d87db..0000000
--- a/.containerignore
+++ /dev/null
@@ -1,8 +0,0 @@
-install_deps.sh
-.github/
-.cz.toml
-.eslintrc.json
-.pre-commit-config.yaml
-.prettierignore
-.prettierrc.json
-tests/
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 439c326..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,17 +0,0 @@
-FROM node:20
-
-LABEL "com.github.actions.icon"="blue"
-LABEL "com.github.actions.color"="database"
-LABEL "com.github.actions.name"="ejsonkms action"
-LABEL "com.github.actions.description"="Execute encryption and decryption of json files using ejson"
-LABEL "org.opencontainers.image.source"="https://github.com/compono/ejsonkms-action"
-
-COPY install-deps.sh /tmp
-RUN /tmp/install-deps.sh
-
-COPY . /action
-WORKDIR /action
-
-RUN npm install --omit=dev
-
-ENTRYPOINT ["node", "/action/index.js"]
diff --git a/action.yml b/action.yml
index 33b4c77..4432d16 100644
--- a/action.yml
+++ b/action.yml
@@ -27,5 +27,20 @@ outputs:
     description: "Decrypted JSON content"
 
 runs:
-  using: "docker"
-  image: "Dockerfile"
+  using: "composite"
+  steps:
+    - id: install-ejsonkms
+      run: sudo --preserve-env ${GITHUB_ACTION_PATH}/install-deps.sh
+      shell: bash
+    - id: install-nodejs
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+    - id: npm-ci
+      name: Install Dependencies
+      working-directory: ${{ github.action_path }}
+      run: npm ci
+      shell: bash
+    - id: entrypoint
+      run: node ${GITHUB_ACTION_PATH}/index.js
+      shell: bash
diff --git a/install-deps.sh b/install-deps.sh
index 0b5740d..a0bfd7a 100755
--- a/install-deps.sh
+++ b/install-deps.sh
@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -e
+set -o pipefail
 
 architecture=""
 machine=$(uname -m)
@@ -14,4 +16,4 @@ curl -sLo ejsonkms.tar.gz https://github.com/envato/ejsonkms/releases/download/v
   tar xfvz ejsonkms.tar.gz &>/dev/null && \
   mv ejsonkms /usr/local/bin/ && \
   chmod +x /usr/local/bin/ejsonkms && \
-  rm ejsonkms.tar.gz
\ No newline at end of file
+  rm ejsonkms.tar.gz