diff --git a/index.js b/index.js
index 38bfe4b..00ac27a 100644
--- a/index.js
+++ b/index.js
@@ -1,16 +1,20 @@
 'use strict';
 
-const { promisify } = require('util');
-const exec = promisify(require('child_process').exec);
+const promisify = require('es6-promisify');
+const exec = promisify(require('child_process').exec, { multiArgs: true });
 const logger = require('./lib/log');
 
 const logStandards = function (standards) {
-  if (standards.stdout.length > 0) {
-    logger.info(standards.stdout);
+  const stdout = standards.stdout || standards[0];
+
+  if (stdout && stdout.length > 0) {
+    logger.info(stdout);
   }
 
-  if (standards.stderr) {
-    logger.warn(standards.stderr);
+  const stderr = standards.stderr || standards[1];
+
+  if (stderr) {
+    logger.warn(stderr);
   }
 };
 
diff --git a/package-lock.json b/package-lock.json
index bcaed36..8687347 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,7 +1,8 @@
 {
   "name": "docker-compose",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "lockfileVersion": 1,
+  "requires": true,
   "dependencies": {
     "acorn": {
       "version": "5.0.3",
@@ -14,6 +15,9 @@
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
+      "requires": {
+        "acorn": "3.3.0"
+      },
       "dependencies": {
         "acorn": {
           "version": "3.3.0",
@@ -27,7 +31,11 @@
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
       "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "co": "4.6.0",
+        "json-stable-stringify": "1.0.1"
+      }
     },
     "ajv-keywords": {
       "version": "1.5.1",
@@ -57,13 +65,20 @@
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
       "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "sprintf-js": "1.0.3"
+      }
     },
     "array-includes": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.2.tgz",
       "integrity": "sha1-fIZ7TRI1wrVofIdPM0S/9OACvro=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "define-properties": "1.1.2",
+        "es-abstract": "1.7.0"
+      }
     },
     "array-slice": {
       "version": "0.2.3",
@@ -75,7 +90,10 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "array-uniq": "1.0.3"
+      }
     },
     "array-uniq": {
       "version": "1.0.3",
@@ -98,7 +116,12 @@
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.22.0.tgz",
       "integrity": "sha1-AnYgvuVnqIwyVhV05/0IAdMxGOQ=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.1"
+      }
     },
     "balanced-match": {
       "version": "0.4.2",
@@ -110,19 +133,29 @@
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.1.tgz",
       "integrity": "sha1-ysMo977kVzDUBLaSID/LWQ4XLV4=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "readable-stream": "2.2.11"
+      }
     },
     "brace-expansion": {
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.7.tgz",
       "integrity": "sha1-Pv/DxQ4ABTH7cg6v+A8K6O8jz1k=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "balanced-match": "0.4.2",
+        "concat-map": "0.0.1"
+      }
     },
     "caller-path": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-0.1.0.tgz",
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "callsites": "0.2.0"
+      }
     },
     "callsites": {
       "version": "0.2.0",
@@ -134,7 +167,14 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ansi-styles": "2.2.1",
+        "escape-string-regexp": "1.0.5",
+        "has-ansi": "2.0.0",
+        "strip-ansi": "3.0.1",
+        "supports-color": "2.0.0"
+      }
     },
     "circular-json": {
       "version": "0.3.1",
@@ -146,7 +186,10 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz",
       "integrity": "sha1-ZNo/fValRBLll5S9Ytw1KV6PKYc=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "restore-cursor": "1.0.1"
+      }
     },
     "cli-width": {
       "version": "2.1.0",
@@ -175,7 +218,11 @@
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/composefile/-/composefile-0.3.0.tgz",
       "integrity": "sha1-xO+E2Y/s8AFG5Vz8hUn7IU9FAHQ=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "parser-yaml": "0.1.1",
+        "write-yaml": "0.2.2"
+      }
     },
     "concat-map": {
       "version": "0.0.1",
@@ -187,7 +234,12 @@
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz",
       "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "inherits": "2.0.3",
+        "readable-stream": "2.2.11",
+        "typedarray": "0.0.6"
+      }
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -204,13 +256,19 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
       "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "es5-ext": "0.10.23"
+      }
     },
     "debug": {
       "version": "2.6.8",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.8.tgz",
       "integrity": "sha1-5zFTHKLt4n0YgiJCfaF4IdaP9Pw=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "ms": "2.0.0"
+      }
     },
     "deep-equal": {
       "version": "1.0.1",
@@ -228,7 +286,11 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.2.tgz",
       "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "foreach": "2.0.5",
+        "object-keys": "1.0.11"
+      }
     },
     "defined": {
       "version": "1.0.0",
@@ -240,13 +302,28 @@
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/del/-/del-2.2.2.tgz",
       "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "globby": "5.0.0",
+        "is-path-cwd": "1.0.0",
+        "is-path-in-cwd": "1.0.0",
+        "object-assign": "4.1.1",
+        "pify": "2.3.0",
+        "pinkie-promise": "2.0.1",
+        "rimraf": "2.6.1"
+      }
     },
     "docker-modem": {
       "version": "0.3.7",
       "resolved": "https://registry.npmjs.org/docker-modem/-/docker-modem-0.3.7.tgz",
       "integrity": "sha1-P1ENCfXTNNwhNCKPkr00RnEiffQ=",
       "dev": true,
+      "requires": {
+        "debug": "2.6.8",
+        "JSONStream": "0.10.0",
+        "readable-stream": "1.0.34",
+        "split-ca": "1.0.1"
+      },
       "dependencies": {
         "isarray": {
           "version": "0.0.1",
@@ -258,7 +335,13 @@
           "version": "1.0.34",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "0.0.1",
+            "string_decoder": "0.10.31"
+          }
         },
         "string_decoder": {
           "version": "0.10.31",
@@ -273,18 +356,36 @@
       "resolved": "https://registry.npmjs.org/dockerode/-/dockerode-2.4.3.tgz",
       "integrity": "sha1-fsVbSS/J8onncyX/B8ajqWAhtPI=",
       "dev": true,
+      "requires": {
+        "concat-stream": "1.5.2",
+        "docker-modem": "0.3.7",
+        "tar-fs": "1.12.0"
+      },
       "dependencies": {
         "concat-stream": {
           "version": "1.5.2",
           "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.5.2.tgz",
           "integrity": "sha1-cIl4Yk2FavQaWnQd790mHadSwmY=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "inherits": "2.0.3",
+            "readable-stream": "2.0.6",
+            "typedarray": "0.0.6"
+          }
         },
         "readable-stream": {
           "version": "2.0.6",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
           "integrity": "sha1-j5A0HmilPMySh4jaz80Rs265t44=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "core-util-is": "1.0.2",
+            "inherits": "2.0.3",
+            "isarray": "1.0.0",
+            "process-nextick-args": "1.0.7",
+            "string_decoder": "0.10.31",
+            "util-deprecate": "1.0.2"
+          }
         },
         "string_decoder": {
           "version": "0.10.31",
@@ -298,61 +399,126 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.0.0.tgz",
       "integrity": "sha1-xz2NKQnSIpHhoAejlYBNqLZl/mM=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "esutils": "2.0.2",
+        "isarray": "1.0.0"
+      }
     },
     "end-of-stream": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.0.tgz",
       "integrity": "sha1-epDYM+/abPpurA9JSduw+tOmMgY=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "once": "1.4.0"
+      }
     },
     "es-abstract": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.7.0.tgz",
       "integrity": "sha1-363ndOAb/Nl/lhgCmMRJyGI/uUw=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "es-to-primitive": "1.1.1",
+        "function-bind": "1.1.0",
+        "is-callable": "1.1.3",
+        "is-regex": "1.0.4"
+      }
     },
     "es-to-primitive": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.1.1.tgz",
       "integrity": "sha1-RTVSSKiJeQNLZ5Lhm7gfK3l13Q0=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "is-callable": "1.1.3",
+        "is-date-object": "1.0.1",
+        "is-symbol": "1.0.1"
+      }
     },
     "es5-ext": {
       "version": "0.10.23",
       "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.23.tgz",
       "integrity": "sha1-dXi1G+l0IHpUh4IbVlOMIk5Oezg=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "es6-iterator": "2.0.1",
+        "es6-symbol": "3.1.1"
+      }
     },
     "es6-iterator": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/es6-iterator/-/es6-iterator-2.0.1.tgz",
       "integrity": "sha1-jjGcnwRTv1ddN0lAplWSDlnKVRI=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-symbol": "3.1.1"
+      }
     },
     "es6-map": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/es6-map/-/es6-map-0.1.5.tgz",
       "integrity": "sha1-kTbgUD3MBqMBaQ8LsU/042TpSfA=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-iterator": "2.0.1",
+        "es6-set": "0.1.5",
+        "es6-symbol": "3.1.1",
+        "event-emitter": "0.3.5"
+      }
+    },
+    "es6-promise": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.1.1.tgz",
+      "integrity": "sha1-iBHpCRXZoNujYnTwskLb2nj5ySo="
+    },
+    "es6-promisify": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+      "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
+      "requires": {
+        "es6-promise": "4.1.1"
+      }
     },
     "es6-set": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/es6-set/-/es6-set-0.1.5.tgz",
       "integrity": "sha1-0rPsXU2ADO2BjbU40ol02wpzzLE=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-iterator": "2.0.1",
+        "es6-symbol": "3.1.1",
+        "event-emitter": "0.3.5"
+      }
     },
     "es6-symbol": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/es6-symbol/-/es6-symbol-3.1.1.tgz",
       "integrity": "sha1-vwDvT9q2uhtG7Le2KbTH7VcVzHc=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "d": "1.0.0",
+        "es5-ext": "0.10.23"
+      }
     },
     "es6-weak-map": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.2.tgz",
       "integrity": "sha1-XjqzIlH/0VOKH45f+hNXdy+S2W8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "d": "1.0.0",
+        "es5-ext": "0.10.23",
+        "es6-iterator": "2.0.1",
+        "es6-symbol": "3.1.1"
+      }
     },
     "escape-string-regexp": {
       "version": "1.0.5",
@@ -364,31 +530,84 @@
       "version": "3.6.0",
       "resolved": "https://registry.npmjs.org/escope/-/escope-3.6.0.tgz",
       "integrity": "sha1-4Bl16BJ4GhY6ba392AOY3GTIicM=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "es6-map": "0.1.5",
+        "es6-weak-map": "2.0.2",
+        "esrecurse": "4.1.0",
+        "estraverse": "4.2.0"
+      }
     },
     "eslint": {
       "version": "3.19.0",
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-3.19.0.tgz",
       "integrity": "sha1-yPxiAcf0DdCJQbh8CFdnOGpnmsw=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "babel-code-frame": "6.22.0",
+        "chalk": "1.1.3",
+        "concat-stream": "1.6.0",
+        "debug": "2.6.8",
+        "doctrine": "2.0.0",
+        "escope": "3.6.0",
+        "espree": "3.4.3",
+        "esquery": "1.0.0",
+        "estraverse": "4.2.0",
+        "esutils": "2.0.2",
+        "file-entry-cache": "2.0.0",
+        "glob": "7.1.2",
+        "globals": "9.18.0",
+        "ignore": "3.3.3",
+        "imurmurhash": "0.1.4",
+        "inquirer": "0.12.0",
+        "is-my-json-valid": "2.16.0",
+        "is-resolvable": "1.0.0",
+        "js-yaml": "3.8.4",
+        "json-stable-stringify": "1.0.1",
+        "levn": "0.3.0",
+        "lodash": "4.17.4",
+        "mkdirp": "0.5.1",
+        "natural-compare": "1.4.0",
+        "optionator": "0.8.2",
+        "path-is-inside": "1.0.2",
+        "pluralize": "1.2.1",
+        "progress": "1.1.8",
+        "require-uncached": "1.0.3",
+        "shelljs": "0.7.8",
+        "strip-bom": "3.0.0",
+        "strip-json-comments": "2.0.1",
+        "table": "3.8.3",
+        "text-table": "0.2.0",
+        "user-home": "2.0.0"
+      }
     },
     "eslint-config-es": {
       "version": "0.8.11",
       "resolved": "https://registry.npmjs.org/eslint-config-es/-/eslint-config-es-0.8.11.tgz",
       "integrity": "sha1-cg7fYQQTguSH2E9bkMX02PnJSeU=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "array-includes": "3.0.2"
+      }
     },
     "eslint-plugin-extended": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-extended/-/eslint-plugin-extended-0.2.0.tgz",
       "integrity": "sha1-iqM1eXaAPBHGQgPVudJkIlfjiBk=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "varname": "2.0.2"
+      }
     },
     "espree": {
       "version": "3.4.3",
       "resolved": "https://registry.npmjs.org/espree/-/espree-3.4.3.tgz",
       "integrity": "sha1-KRC1zNSc6JPC//+qtP2LOjG4I3Q=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "acorn": "5.0.3",
+        "acorn-jsx": "3.0.1"
+      }
     },
     "esprima": {
       "version": "3.1.3",
@@ -400,13 +619,20 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.0.tgz",
       "integrity": "sha1-z7qLV9f7qT8XKYqKAGoEzaE9gPo=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "estraverse": "4.2.0"
+      }
     },
     "esrecurse": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.1.0.tgz",
       "integrity": "sha1-RxO2U2rffyrE8yfVWed1a/9kgiA=",
       "dev": true,
+      "requires": {
+        "estraverse": "4.1.1",
+        "object-assign": "4.1.1"
+      },
       "dependencies": {
         "estraverse": {
           "version": "4.1.1",
@@ -432,7 +658,11 @@
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/event-emitter/-/event-emitter-0.3.5.tgz",
       "integrity": "sha1-34xp7vFkeSPHFXuc6DhAYQsCzDk=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "d": "1.0.0",
+        "es5-ext": "0.10.23"
+      }
     },
     "exit-hook": {
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@@ -444,7 +674,10 @@
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@@ -1068,6 +1496,21 @@
       "resolved": "https://registry.npmjs.org/tape/-/tape-4.6.3.tgz",
       "integrity": "sha1-Y353WB6ass4XV36b1M5PV1gG2LY=",
       "dev": true,
+      "requires": {
+        "deep-equal": "1.0.1",
+        "defined": "1.0.0",
+        "for-each": "0.3.2",
+        "function-bind": "1.1.0",
+        "glob": "7.1.2",
+        "has": "1.0.1",
+        "inherits": "2.0.3",
+        "minimist": "1.2.0",
+        "object-inspect": "1.2.2",
+        "resolve": "1.1.7",
+        "resumer": "0.0.0",
+        "string.prototype.trim": "1.1.2",
+        "through": "2.3.8"
+      },
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
@@ -1088,12 +1531,19 @@
       "resolved": "https://registry.npmjs.org/tape-promise/-/tape-promise-2.0.1.tgz",
       "integrity": "sha1-dryf91CLPgV9CW9ErJqTw8rk7TQ=",
       "dev": true,
+      "requires": {
+        "is-promise": "2.1.0",
+        "onetime": "2.0.1"
+      },
       "dependencies": {
         "onetime": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/onetime/-/onetime-2.0.1.tgz",
           "integrity": "sha1-BnQoIw/WdEOyeUsiu6UotoZ5YtQ=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "mimic-fn": "1.1.0"
+          }
         }
       }
     },
@@ -1101,13 +1551,24 @@
       "version": "1.12.0",
       "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-1.12.0.tgz",
       "integrity": "sha1-pqgFU9ilTHPeHQrg553ncDVgXh0=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "mkdirp": "0.5.1",
+        "pump": "1.0.2",
+        "tar-stream": "1.5.4"
+      }
     },
     "tar-stream": {
       "version": "1.5.4",
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.5.4.tgz",
       "integrity": "sha1-NlSc8E7RrumyowwBQyUiONr5QBY=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "bl": "1.2.1",
+        "end-of-stream": "1.4.0",
+        "readable-stream": "2.2.11",
+        "xtend": "4.0.1"
+      }
     },
     "text-table": {
       "version": "0.2.0",
@@ -1131,7 +1592,10 @@
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "prelude-ls": "1.1.2"
+      }
     },
     "typedarray": {
       "version": "0.0.6",
@@ -1143,7 +1607,10 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/user-home/-/user-home-2.0.0.tgz",
       "integrity": "sha1-nHC/2Babwdy/SGBODwS4tJzenp8=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "os-homedir": "1.0.2"
+      }
     },
     "util-deprecate": {
       "version": "1.0.2",
@@ -1160,7 +1627,15 @@
     "winston": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/winston/-/winston-2.3.1.tgz",
-      "integrity": "sha1-C0hCDZeMAYBM8CMLZIhhWYIloRk="
+      "integrity": "sha1-C0hCDZeMAYBM8CMLZIhhWYIloRk=",
+      "requires": {
+        "async": "1.0.0",
+        "colors": "1.0.3",
+        "cycle": "1.0.3",
+        "eyes": "0.1.8",
+        "isstream": "0.1.2",
+        "stack-trace": "0.0.10"
+      }
     },
     "wordwrap": {
       "version": "1.0.0",
@@ -1178,19 +1653,31 @@
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/write/-/write-0.2.1.tgz",
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
-      "dev": true
+      "dev": true,
+      "requires": {
+        "mkdirp": "0.5.1"
+      }
     },
     "write-yaml": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/write-yaml/-/write-yaml-0.2.2.tgz",
       "integrity": "sha1-EG+Deg6dwO600i9jJAWj2CTO14c=",
       "dev": true,
+      "requires": {
+        "extend-shallow": "2.0.1",
+        "js-yaml": "3.8.4",
+        "lazy-cache": "0.2.7",
+        "write": "0.2.1"
+      },
       "dependencies": {
         "extend-shallow": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
           "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true
+          "dev": true,
+          "requires": {
+            "is-extendable": "0.1.1"
+          }
         }
       }
     },
diff --git a/package.json b/package.json
index 0d12f29..a28c885 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docker-compose",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "main": "index.js",
   "scripts": {
     "test": "./node_modules/tape/bin/tape test",
@@ -14,6 +14,7 @@
   "license": "MIT",
   "description": "Manage docker-compose from Node.js",
   "dependencies": {
+    "es6-promisify": "^5.0.0",
     "winston": "^2.3.1"
   },
   "devDependencies": {