From 2a56a2756dda29fe6fad8c92a8d6cfec134e399a Mon Sep 17 00:00:00 2001
From: FireMasterK <20838718+FireMasterK@users.noreply.github.com>
Date: Wed, 23 Feb 2022 11:33:06 +0000
Subject: [PATCH] Use BuildKit's cache mount.

---
 Dockerfile | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 13bbeb3..0bfce89 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,13 +2,10 @@ FROM golang:latest AS build
 
 WORKDIR /app/
 
-COPY go.mod go.sum ./
-
-RUN go mod download
-
 COPY . .
 
-RUN go build -ldflags "-s -w" main.go
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    go build -ldflags "-s -w" main.go
 
 FROM debian:unstable-slim