diff --git a/types/is-docker/index.d.ts b/types/is-docker/index.d.ts
new file mode 100644
index 0000000000..12b3f6b797
--- /dev/null
+++ b/types/is-docker/index.d.ts
@@ -0,0 +1,8 @@
+// Type definitions for is-docker 1.1
+// Project: https://github.com/sindresorhus/is-docker#readme
+// Definitions by: Yash Kulshrestha <https://github.com/YashdalfTheGray>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.7
+
+declare function isDocker(): boolean;
+export = isDocker;
diff --git a/types/is-docker/is-docker-tests.ts b/types/is-docker/is-docker-tests.ts
new file mode 100644
index 0000000000..00274a35e0
--- /dev/null
+++ b/types/is-docker/is-docker-tests.ts
@@ -0,0 +1,3 @@
+import isDocker from "is-docker";
+
+isDocker(); // $ExpectType boolean
diff --git a/types/is-docker/tsconfig.json b/types/is-docker/tsconfig.json
new file mode 100644
index 0000000000..4c065b1b55
--- /dev/null
+++ b/types/is-docker/tsconfig.json
@@ -0,0 +1,17 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": ["es6"],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true,
+        "strictFunctionTypes": true,
+        "esModuleInterop": true
+    },
+    "files": ["index.d.ts", "is-docker-tests.ts"]
+}
diff --git a/types/is-docker/tslint.json b/types/is-docker/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/is-docker/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }