heroku: introduce initial support for deploying on heroku.

Author: HouzuoGuo

Procfile

@@ -0,0 +1 @@
+web: bin/laitos -daemons insecurehttpd

go.mod

@@ -1,26 +1,38 @@
 module github.com/HouzuoGuo/laitos
 
-go 1.15
+// +heroku goVersion go1.18
+go 1.18
 
 require (
-	github.com/DATA-DOG/go-sqlmock v1.5.0 // indirect
-	github.com/aws/aws-sdk-go v1.43.41
+	github.com/aws/aws-sdk-go v1.44.19
 	github.com/aws/aws-xray-sdk-go v1.7.0
+	github.com/prometheus/client_golang v1.12.2
+	golang.org/x/crypto v0.0.0-20220518034528-6f7dac969898
+	golang.org/x/net v0.0.0-20220520000938-2e3eb7b945c2
+	google.golang.org/grpc v1.46.2
+	google.golang.org/protobuf v1.28.0
+)
+
+require (
+	github.com/DATA-DOG/go-sqlmock v1.5.0 // indirect
+	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-cmp v0.5.7 // indirect
-	github.com/klauspost/compress v1.15.1 // indirect
-	github.com/kr/pretty v0.3.0 // indirect
-	github.com/prometheus/client_golang v1.12.1
-	github.com/prometheus/common v0.33.0 // indirect
-	github.com/rogpeppe/go-internal v1.8.1 // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/klauspost/compress v1.15.4 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.34.0 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/stretchr/testify v1.7.1 // indirect
-	github.com/valyala/fasthttp v1.35.0 // indirect
-	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4
-	golang.org/x/net v0.0.0-20220412020605-290c469a71a5
-	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasthttp v1.37.0 // indirect
+	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
+	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
-	google.golang.org/genproto v0.0.0-20220414192740-2d67ff6cf2b4 // indirect
-	google.golang.org/grpc v1.45.0
-	google.golang.org/protobuf v1.28.0
-	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	google.golang.org/genproto v0.0.0-20220519153652-3a47de7e79bd // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )