diff --git a/package-lock.json b/package-lock.json
index 201830f..6f0bc91 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "docker-test",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -136,7 +136,7 @@
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       "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
-      "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k="
+      "integrity": "sha512-5mO7DX4CbJzp9zjaFXusQQ4tzKJARjNB1Ih1pVBi8wkbmXy/xzIDgEMXxWePLzt2OdFwaxfneIlT1nCiXubrPQ=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -338,7 +338,7 @@
     "colors": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
-      "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
+      "integrity": "sha512-pFGrxThWcWQ2MsAz6RtgeWe4NK2kUE1WfsrvvlctdII745EW9I0yflqhe7++M5LEc7bV2c/9/5zc8sFcpL0Drw=="
     },
     "combined-stream": {
       "version": "1.0.5",
@@ -449,7 +449,7 @@
     "cycle": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/cycle/-/cycle-1.0.3.tgz",
-      "integrity": "sha1-IegLK+hYD5i0aPN5QwZisEbDStI="
+      "integrity": "sha512-TVF6svNzeQCOpjCqsy0/CSy8VgObG3wXusJ73xW2GbG5rGx7lC8zxDSURicsXI2UsGdi2L0QNRCi745/wUDvsA=="
     },
     "debug": {
       "version": "2.6.8",
@@ -1046,7 +1046,7 @@
     "eyes": {
       "version": "0.1.8",
       "resolved": "https://registry.npmjs.org/eyes/-/eyes-0.1.8.tgz",
-      "integrity": "sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A="
+      "integrity": "sha512-GipyPsXO1anza0AOZdy69Im7hGFCNB7Y/NGjDlZGJ3GJJLtwNSb2vrzYrTYJRrRloVx7pl+bhUaTB8yiccPvFQ=="
     },
     "fast-deep-equal": {
       "version": "1.0.0",
@@ -1080,11 +1080,11 @@
       }
     },
     "find-up": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
-      "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+      "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
       "requires": {
-        "locate-path": "2.0.0"
+        "locate-path": "^3.0.0"
       }
     },
     "flat-cache": {
@@ -1562,7 +1562,7 @@
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
+      "integrity": "sha512-Yljz7ffyPbrLpLngrMtZ7NduUgVvi6wG9RJ9IUcyCd59YQ911PBJphODUcbOVbqYfxe1wuYf/LJ8PauMRwsM/g=="
     },
     "js-tokens": {
       "version": "3.0.2",
@@ -1634,30 +1634,20 @@
       "integrity": "sha1-HADHQ7QzzQpOgHWPe2SldEDZ/wA=",
       "dev": true
     },
-    "load-json-file": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
-      "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
-      "requires": {
-        "graceful-fs": "4.1.11",
-        "parse-json": "2.2.0",
-        "pify": "2.3.0",
-        "strip-bom": "3.0.0"
-      }
-    },
     "locate-path": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
-      "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+      "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
       "requires": {
-        "p-locate": "2.0.0",
-        "path-exists": "3.0.0"
+        "p-locate": "^3.0.0",
+        "path-exists": "^3.0.0"
       }
     },
     "lodash": {
       "version": "4.17.4",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
-      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
+      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=",
+      "dev": true
     },
     "lodash._baseassign": {
       "version": "3.2.0",
@@ -1977,16 +1967,19 @@
       "dev": true
     },
     "p-limit": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.1.0.tgz",
-      "integrity": "sha1-sH/y2aXYi+yAYDWJWiurZqJ5iLw="
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+      "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
+      "requires": {
+        "p-try": "^2.0.0"
+      }
     },
     "p-locate": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
-      "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+      "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
       "requires": {
-        "p-limit": "1.1.0"
+        "p-limit": "^2.0.0"
       }
     },
     "p-try": {
@@ -1995,11 +1988,12 @@
       "integrity": "sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ=="
     },
     "parse-json": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
-      "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+      "integrity": "sha512-aOIos8bujGN93/8Ox/jPLh7RwVnPEysynVFE+fQZyg6jKELEHwzgKdLRFHUgXJL6kylijVSBC4BvN9OmsB48Rw==",
       "requires": {
-        "error-ex": "1.3.1"
+        "error-ex": "^1.3.1",
+        "json-parse-better-errors": "^1.0.1"
       }
     },
     "path-exists": {
@@ -2030,14 +2024,6 @@
       "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
       "dev": true
     },
-    "path-type": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
-      "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
-      "requires": {
-        "pify": "2.3.0"
-      }
-    },
     "pathval": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
@@ -2047,7 +2033,8 @@
     "pify": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-      "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+      "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+      "dev": true
     },
     "pinkie": {
       "version": "2.0.4",
@@ -2065,11 +2052,11 @@
       }
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     "pkg-dir": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
-      "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-3.0.0.tgz",
+      "integrity": "sha512-/E57AYkoeQ25qkxMj5PBOVgF8Kiu/h7cYS30Z5+R7WaiCCBfLq58ZI/dSeaEKb9WVJV5n/03QwrN3IeWIFllvw==",
       "requires": {
-        "find-up": "2.1.0"
+        "find-up": "^3.0.0"
       }
     },
     "please-upgrade-node": {
@@ -2134,13 +2121,20 @@
       "dev": true
     },
     "read-pkg": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
-      "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-4.0.1.tgz",
+      "integrity": "sha512-+UBirHHDm5J+3WDmLBZYSklRYg82nMlz+enn+GMZ22nSR2f4bzxmhso6rzQW/3mT2PVzpzDTiYIZahk8UmZ44w==",
       "requires": {
-        "load-json-file": "2.0.0",
-        "normalize-package-data": "2.4.0",
-        "path-type": "2.0.0"
+        "normalize-package-data": "^2.3.2",
+        "parse-json": "^4.0.0",
+        "pify": "^3.0.0"
+      },
+      "dependencies": {
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha512-C3FsVNH1udSEX48gGX1xfvwTWfsYWj5U+8/uK15BGzIGrKoUpghX8hWZwa/OFnakBiiVNmBvemTJR5mcy7iPcg=="
+        }
       }
     },
     "read-pkg-up": {
@@ -2401,7 +2395,7 @@
     "stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
-      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
+      "integrity": "sha512-KGzahc7puUKkzyMt+IqAep+TVNbKP+k2Lmwhub39m1AsTSkaDutx56aDCo+HLDzf/D26BIHTJWNiTG1KAJiQCg=="
     },
     "string-width": {
       "version": "2.1.1",
@@ -2617,27 +2611,34 @@
       }
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     "winster": {
-      "version": "0.2.6",
-      "resolved": "https://registry.npmjs.org/winster/-/winster-0.2.6.tgz",
-      "integrity": "sha512-fIuQnvox6zqg6L5ob60HwbBle3/9PAdAClaYRUWGx7vzW2id7HDvkDkePWv3JQoIcHB0JJEtplQP3Rsp9Lsnqg==",
-      "requires": {
-        "lodash": "4.17.4",
-        "pkg-dir": "2.0.0",
-        "read-pkg": "2.0.0",
-        "winston": "2.3.1"
+      "version": "0.2.14",
+      "resolved": "https://registry.npmjs.org/winster/-/winster-0.2.14.tgz",
+      "integrity": "sha512-mlLw1UBZpfH/ifGMthDCEkibvZci1ARZz3xeH/bXiDaBglwau01z4HpJJ3WlPiIogH6ktmu35kmpRnAOAL+1nQ==",
+      "requires": {
+        "lodash": "4.17.11",
+        "pkg-dir": "3.0.0",
+        "read-pkg": "4.0.1",
+        "winston": "2.4.4"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.11",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
+          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+        }
       }
     },
     "winston": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/winston/-/winston-2.3.1.tgz",
-      "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"
+      "version": "2.4.4",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-2.4.4.tgz",
+      "integrity": "sha512-NBo2Pepn4hK4V01UfcWcDlmiVTs7VTB1h7bgnB0rgP146bYhMxX0ypCz3lBOfNxCO4Zuek7yeT+y/zM1OfMw4Q==",
+      "requires": {
+        "async": "~1.0.0",
+        "colors": "1.0.x",
+        "cycle": "1.0.x",
+        "eyes": "0.1.x",
+        "isstream": "0.1.x",
+        "stack-trace": "0.0.x"
       }
     },
     "winston-logstash": {