2 files changed, 27 insertions, 0 deletions
diff --git a/build/instructions.go b/build/instructions.go
new file mode 100644
index 0000000..2676a75
--- /dev/null
+++ b/build/instructions.go
@@ -0,0 +1,13 @@
+package build
+
+type InstructionType int
+
+const (
+	Run InstructionType = iota
+	Copy
+)
+
+type Instruction struct {
+	Type InstructionType
+	Arguments []string
+}
diff --git a/build/phases.go b/build/phases.go
new file mode 100644
index 0000000..095263c
--- /dev/null
+++ b/build/phases.go
@@ -0,0 +1,14 @@
+package build
+
+type Phase int
+
+const (
+	PhasePrivileged Phase = iota
+	PhasePrivilegeDropped
+	PhasePreInstall
+	PhasePostInstall
+)
+
+type PhaseCompileable interface {
+	InstructionsForPhase(phase Phase) []Instruction
+}