Add dockerfile, makefile and example nomad configuration file

Dockerfile

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+FROM scratch
+
+ADD gobottin /
+
+ENTRYPOINT ["/gobottin"]

Makefile

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+all: gobottin
+
+gobottin: main.go ssha.go util.go acl.go
+	go get -d -v
+	CGO_ENABLED=0 GOOS=linux go build -a -v
+
+docker: all
+	docker build -t lxpz/gobottin_amd64:$(TAG) .
+	docker push lxpz/gobottin_amd64:$(TAG)
+	docker tag lxpz/gobottin_amd64:$(TAG) lxpz/gobottin_amd64:latest
+	docker push lxpz/gobottin_amd64:latest

gobottin.hcl.example

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+job "directory" {
+  datacenters = ["dc1"]
+  type = "service"
+
+  constraint {
+    attribute = "${attr.cpu.arch}"
+    value     = "amd64"
+  }
+
+  group "ldap" {
+    count = 2
+    task "server" {
+      driver = "docker"
+      config {
+        image = "lxpz/gobottin_amd64:1"
+        readonly_rootfs = true
+        port_map {
+          ldap_port = 1389
+        }
+		volumes = [
+			"secrets/config.json:/config.json"
+		]
+      }
+
+      artifact {
+        source = "http://127.0.0.1:8500/v1/kv/configuration/directory/gobottin/config.json?raw"
+        destination = "secrets/config.json"
+        mode = "file"
+      }
+
+      resources {
+        memory = 100
+        network {
+          port "ldap_port" {
+            static = "389"
+          }
+        }
+      }
+
+      service {
+        tags = ["bottin"]
+        port = "ldap_port"
+        address_mode = "host"
+        name = "bottin"
+        check {
+          type = "tcp"
+          port = "ldap_port"
+          interval = "60s"
+          timeout = "5s"
+          check_restart {
+            limit = 3
+            grace = "90s"
+            ignore_warnings = false
+          }
+        }
+      }
+    }
+  }
+}
+