update golang to 1.15 and update dependancies

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.12 AS builder
+FROM golang:1.15 AS builder
 
 ENV GO111MODULE=on
 
@@ -10,7 +10,7 @@ RUN go mod download
 RUN CGO_ENABLED=0 GOOS=linux go build -o sup3rS3cretMes5age .
 
 
-FROM alpine:20210212
+FROM alpine:latest
 
 ENV \
     VAULT_ADDR \

go.mod

@@ -4,10 +4,25 @@ go 1.12
 
 require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
-	github.com/hashicorp/vault/api v1.0.4
+	github.com/go-ldap/ldap v3.0.2+incompatible // indirect
+	github.com/golang/snappy v0.0.3 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-retryablehttp v0.6.8 // indirect
+	github.com/hashicorp/vault/api v1.1.0
+	github.com/hashicorp/vault/sdk v0.2.0 // indirect
+	github.com/hashicorp/yamux v0.0.0-20181012175058-2f1d1f20f75d // indirect
 	github.com/labstack/echo v3.3.10+incompatible
 	github.com/labstack/gommon v0.3.0 // indirect
+	github.com/mattn/go-colorable v0.1.8 // indirect
+	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/ory/dockertest/v3 v3.6.3
+	github.com/pierrec/lz4 v2.6.0+incompatible // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
-	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
+	golang.org/x/crypto v0.0.0-20210415154028-4f45737414dc
+	golang.org/x/net v0.0.0-20210420072503-d25e30425868 // indirect
+	golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe // indirect
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
+	gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d // indirect
 )