From b716b9245f03314da3663f1f084a05e9afb69f3e Mon Sep 17 00:00:00 2001
From: MrLetsplay2003 <mr.letsplay2003@gmail.com>
Date: Fri, 14 Jul 2023 13:28:50 +0000
Subject: [PATCH] Update Dockerfile, build.sh

---
 build.sh          |  8 ++++----
 docker/Dockerfile | 10 ++++++++--
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/build.sh b/build.sh
index b17c42b..9c1320d 100755
--- a/build.sh
+++ b/build.sh
@@ -5,11 +5,11 @@ groupID=$(id -g)
 
 mkdir -p ./build
 
-echo "Building Docker image"
-imageID=$(docker build -f docker/Dockerfile --build-arg UID="${userID}" --build-arg GID="${groupID}" -q .)
+echo "Building Docker image & Running build"
+imageID=$(docker build -f docker/Dockerfile --build-arg UID="${userID}" --build-arg GID="${groupID}" --target builder -q .)
 
-echo "Running build"
-docker run --rm -v ./build:/build "$imageID"
+echo "Copying output"
+docker run --rm -v ./build:/target "$imageID" cp /build/docker_launcher /target
 
 echo "Removing image"
 docker image rm "$imageID"
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 266e7f6..4b5f5a6 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:latest
+FROM golang:latest AS builder
 
 ARG UID=1000
 ARG GID=1000
@@ -14,4 +14,10 @@ RUN chown -Rv bobthebuilder:bobthebuilder /workspace
 USER bobthebuilder
 WORKDIR /workspace
 
-CMD [ "go", "build", "-o", "/build/docker_launcher", "." ]
+RUN [ "go", "build", "-o", "/build/docker_launcher", "." ]
+
+FROM alpine:latest
+
+COPY --from=builder /build/docker_launcher /usr/local/bin/docker_launcher
+
+ENTRYPOINT [ "/usr/local/bin/docker_launcher" ]