From 3eec47c0b047dd6a10e54fa4a4f3f75312a6c9af Mon Sep 17 00:00:00 2001
From: Ian Molee <imolee@gmail.com>
Date: Mon, 8 Apr 2024 18:08:15 -0700
Subject: [PATCH] Add .dockerignore and adjust Dockerfile

---
 .dockerignore |  5 +++++
 Dockerfile    | 20 ++++++++++++++------
 2 files changed, 19 insertions(+), 6 deletions(-)
 create mode 100644 .dockerignore

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..475cb0d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+*.log
+output.*.txt
+.vscode
+files
+files.*/
diff --git a/Dockerfile b/Dockerfile
index 26d7e89..c581ca9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,19 @@
+ARG bin_name=docgrouper
+
 FROM golang:1.22 as builder
-WORKDIR /go/src/docgrouper
-COPY testdata testdata/
-COPY *.go go.mod go.sum ./
+ARG bin_name
+WORKDIR /go/src/$bin_name
+COPY . .
 RUN go mod download
-RUN go test -v ./... && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o docgroup
+RUN go test -v ./... && CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o $bin_name
 
 FROM gcr.io/distroless/base-nossl-debian12
-COPY --from=builder /go/src/docgrouper/docgrouper /bin/docgrouper
+ARG bin_name
+COPY --from=builder /go/src/${bin_name}/${bin_name} /bin/${bin_name}
 VOLUME [ "/files" ]
-ENTRYPOINT [ "docgroup" ]
\ No newline at end of file
+
+# ARGs are stupid and cannot be used in ENTRYPOINT, so we still have to
+# hard-code the binary name here, but this is still better than having to
+# hard-code it in the stages above, since it doesn't really matter much what the
+# entrypoint is called.
+ENTRYPOINT [ "docgrouper" ]
\ No newline at end of file