diff --git a/Dockerfile b/Dockerfile
index 623fc26..654bb7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.12.9 as builder
+FROM golang:1.15 as builder
 
 ENV CGO_ENABLED=0
 
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..3e7da8b
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,11 @@
+module github.com/wolviecb/short
+
+go 1.15
+
+require (
+	github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef
+	github.com/fasthttp/router v1.3.5
+	github.com/patrickmn/go-cache v2.1.0+incompatible
+	github.com/valyala/fasthttp v1.19.0
+	github.com/wolviecb/short/shortie v0.0.0-20210110141109-3d10ba986c42
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..49c70cc
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,33 @@
+github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
+github.com/andybalholm/brotli v1.0.1 h1:KqhlKozYbRtJvsPrrEeXcO+N2l6NYT5A2QAFmSULpEc=
+github.com/andybalholm/brotli v1.0.1/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
+github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef h1:46PFijGLmAjMPwCCCo7Jf0W6f9slllCkkv7vyc1yOSg=
+github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
+github.com/fasthttp/router v1.3.5 h1:XGZZtcYUH+9ZoLxKhwF66F8sGnMT+Jg00j0JdVzwmDA=
+github.com/fasthttp/router v1.3.5/go.mod h1:BylQKgvh6YQkR0mvL60+HJyTaGwcn5d8UFNweOb/Nw8=
+github.com/klauspost/compress v1.10.7/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
+github.com/klauspost/compress v1.11.6 h1:EgWPCW6O3n1D5n99Zq3xXBt9uCwRGvpwGOusOLNBRSQ=
+github.com/klauspost/compress v1.11.6/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
+github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
+github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/savsgio/gotils v0.0.0-20210105085219-0567298fdcac h1:5pr1F6tcjeIKPKlrQZW6hzB0WxZge7SkkYVGG/e5pLY=
+github.com/savsgio/gotils v0.0.0-20210105085219-0567298fdcac/go.mod h1:TWNAOTaVzGOXq8RbEvHnhzA/A2sLZzgn0m6URjnukY8=
+github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
+github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/valyala/fasthttp v1.19.0 h1:PfTS4PeH3xDr3WomrDS2ID8lU2GskK1xS3YG6gIpibU=
+github.com/valyala/fasthttp v1.19.0/go.mod h1:jjraHZVbKOXftJfsOYoAjaeygpj5hr8ermTRJNroD7A=
+github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
+github.com/wolviecb/short/shortie v0.0.0-20210110134213-8932cea4c937 h1:0ipYIfT24J056argKnZh12NzPqw+5ql4UDaI64UyzYw=
+github.com/wolviecb/short/shortie v0.0.0-20210110134213-8932cea4c937/go.mod h1:MP++yL+vt6bdR5ResHARM9XzrdxEzqYPkyODGTsjFJs=
+github.com/wolviecb/short/shortie v0.0.0-20210110141109-3d10ba986c42 h1:F7aicAow+pNQ6HLDHX1NlwhVFysaHZKsHWc7U/wllv8=
+github.com/wolviecb/short/shortie v0.0.0-20210110141109-3d10ba986c42/go.mod h1:MP++yL+vt6bdR5ResHARM9XzrdxEzqYPkyODGTsjFJs=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20201016165138-7b1cca2348c0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=