diff --git a/model/environ.go b/model/environ.go
new file mode 100644
index 00000000..67f665fe
--- /dev/null
+++ b/model/environ.go
@@ -0,0 +1,66 @@
+package model
+
+import (
+	"errors"
+	"path/filepath"
+)
+
+var (
+	errEnvironNameInvalid  = errors.New("Invalid Environment Variable Name")
+	errEnvironValueInvalid = errors.New("Invalid Environment Variable Value")
+)
+
+// EnvironService defines a service for managing environment variables.
+type EnvironService interface {
+	EnvironList(*Repo) ([]*Environ, error)
+}
+
+// EnvironStore persists environment information to storage.
+type EnvironStore interface {
+	EnvironList(*Repo) ([]*Environ, error)
+}
+
+// Environ represents an environment variable.
+// swagger:model environ
+type Environ struct {
+	ID     int64    `json:"id"              meddler:"env_id,pk"`
+	Name   string   `json:"name"            meddler:"env_name"`
+	Value  string   `json:"value,omitempty" meddler:"env_value"`
+	Images []string `json:"image"           meddler:"env_images,json"`
+	Events []string `json:"event"           meddler:"env_events,json"`
+}
+
+// Match returns true if an image and event match the restricted list.
+func (e *Environ) Match(event string) bool {
+	if len(e.Events) == 0 {
+		return true
+	}
+	for _, pattern := range e.Events {
+		if match, _ := filepath.Match(pattern, event); match {
+			return true
+		}
+	}
+	return false
+}
+
+// Validate validates the required fields and formats.
+func (e *Environ) Validate() error {
+	switch {
+	case len(e.Name) == 0:
+		return errEnvironNameInvalid
+	case len(e.Value) == 0:
+		return errEnvironValueInvalid
+	default:
+		return nil
+	}
+}
+
+// Copy makes a copy of the environment variable without the value.
+func (e *Environ) Copy() *Environ {
+	return &Environ{
+		ID:     e.ID,
+		Name:   e.Name,
+		Images: e.Images,
+		Events: e.Events,
+	}
+}