diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..61ab63d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,135 @@
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# dotenv
+.env
+
+# virtualenv
+.venv
+venv/
+ENV/
+
+# Spyder project settings
+.spyderproject
+
+# Rope project settings
+.ropeproject
\ No newline at end of file
diff --git a/opt/resource/check b/opt/resource/check
new file mode 100755
index 0000000..057e9bd
--- /dev/null
+++ b/opt/resource/check
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+python3 /opt/resource/check.py $@
\ No newline at end of file
diff --git a/opt/resource/check.py b/opt/resource/check.py
new file mode 100755
index 0000000..2ba2b91
--- /dev/null
+++ b/opt/resource/check.py
@@ -0,0 +1,31 @@
+#! /usr/bin/env python3
+from jsonschema import Draft4Validator
+
+import schemas
+from concourse_common import common
+
+
+def execute():
+
+    payload = common.get_payload()
+
+    validation_result = validate(payload)
+    if validation_result != 0:
+        return validation_result
+
+    return 0
+
+
+def validate(payload):
+    v = Draft4Validator(schemas.checkSchema)
+    valid = True
+
+    for error in sorted(v.iter_errors(payload), key=str):
+        common.log(error.message)
+        valid = False
+
+    return 0 if valid else -1
+
+
+if __name__ == '__main__':
+    exit(execute())
\ No newline at end of file
diff --git a/opt/resource/concourse_common/__init__.py b/opt/resource/concourse_common/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/opt/resource/concourse_common/common.py b/opt/resource/concourse_common/common.py
new file mode 100644
index 0000000..1176b8b
--- /dev/null
+++ b/opt/resource/concourse_common/common.py
@@ -0,0 +1,16 @@
+import json
+import sys
+import tempfile
+
+
+def get_payload():
+    payload = json.load(sys.stdin)
+    _, fname = tempfile.mkstemp()
+    log("Logging payload to {}".format(fname))
+    with open(fname, 'w') as fp:
+        fp.write(json.dumps(payload))
+    log(payload)
+    return payload
+
+def log(*args, **kwargs):
+    print(*args, file=sys.stderr, **kwargs)
\ No newline at end of file
diff --git a/opt/resource/concourse_common/common_tests.py b/opt/resource/concourse_common/common_tests.py
new file mode 100644
index 0000000..1ebb56e
--- /dev/null
+++ b/opt/resource/concourse_common/common_tests.py
@@ -0,0 +1,32 @@
+import sys
+import unittest
+from io import StringIO
+
+from concourse_common import common
+
+
+class CommonTest(unittest.TestCase):
+    check_payload = ('{"source":{'
+                     '"bucket":"bucketName",'
+                     '"access_key":"apiKey123",'
+                     '"secret_access_key":"secretKey321",'
+                     '"region_name":"eu-west-1",'
+                     '"regexp":"directory_on_s3/release-(.*).tar.gz'
+                     '"},'
+                     '"version":{"version":"version-v1-dev"}}')
+
+    def test_getPayload(self):
+        put_stdin(self.check_payload)
+        result = common.get_payload()
+        self.assertEqual(result['source']['access_key'], "apiKey123")
+        self.assertEqual(result['source']['secret_access_key'], "secretKey321")
+        self.assertEqual(result['source']['region_name'], "eu-west-1")
+        self.assertEqual(result['source']['regexp'], "directory_on_s3/release-(.*).tar.gz")
+        self.assertEqual(result['version']['version'], "version-v1-dev")
+
+
+def put_stdin(content):
+    sys.stdin = StringIO(content)
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/opt/resource/in b/opt/resource/in
new file mode 100755
index 0000000..c0a24ae
--- /dev/null
+++ b/opt/resource/in
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+python3 /opt/resource/input.py $@
\ No newline at end of file
diff --git a/opt/resource/out b/opt/resource/out
new file mode 100755
index 0000000..c9c6d16
--- /dev/null
+++ b/opt/resource/out
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+python3 /opt/resource/out.py $@
\ No newline at end of file
diff --git a/opt/resource/schemas.py b/opt/resource/schemas.py
new file mode 100644
index 0000000..ab0c7f6
--- /dev/null
+++ b/opt/resource/schemas.py
@@ -0,0 +1,70 @@
+checkSchema = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "properties": {
+        "source": {
+            "type": "object",
+            "properties": {
+                "preFix": {
+                    "type": "string"
+                },
+
+            },
+            "required": [
+                "preFix"
+            ]
+        },
+        "version": {
+            "type": "object",
+            "properties": {
+                "version": {
+                    "type": "string"
+                }
+            },
+            "required": [
+                "version"
+            ]
+        }
+    },
+    "required": [
+        "source"
+    ]
+}
+
+outSchema = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "properties": {
+        "source": {
+            "type": "object",
+            "properties": {
+                "preFix": {
+                    "type": "string"
+                },
+
+            },
+            "required": [
+                "preFix"
+            ]
+        },
+        "names": {
+            "type": "object",
+            "properties": {
+                "default": {
+                    "type": "string"
+                },
+                "heroku": {
+                    "type": "string"
+                }
+            },
+            "required": [
+                "default",
+                "heroku"
+            ]
+        }
+    },
+    "required": [
+        "source",
+        "names"
+    ]
+}
\ No newline at end of file