From 09fd2dfbc744d756cd7c4197598f9f96d6438444 Mon Sep 17 00:00:00 2001
From: gjahn <gregor.jahn@bht-berlin.de>
Date: Thu, 14 Dec 2023 00:48:56 +0100
Subject: [PATCH] Allow to set version during build time
---
Makefile | 1 +
README.md | 8 +++++---
configuration/config.go | 8 ++++++--
3 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
index f43fbb3..8f34902 100644
--- a/Makefile
+++ b/Makefile
@@ -37,6 +37,7 @@ $(BIN_DIR)/artifact.bin:
cd $(SRC_DIR) \
&& go build \
-o $(@) \
+ -ldflags "-X webservice/configuration.version=0.0.1" \
$(SRC_DIR)/*.go
.PHONY: build-linux
diff --git a/README.md b/README.md
index e8c68c9..74b1ca8 100644
--- a/README.md
+++ b/README.md
@@ -24,9 +24,11 @@ information checkout the [configuration code](./configuration/config.go).
3. Execute unit tests: `go test -race -v ./...`
4. Build artifact: `go build -o ./artifact.bin ./*.go`
-To build for another platform, set `GOOS` and `GOARCH`. To yield a static binary (fully
-self-contained, no dynamic linking) set `CGO_ENABLED=0`. For more details, please refer
-to the [Makefile](./Makefile).
+To build for another platform, set `GOOS` and `GOARCH`. To yield a static
+binary (fully self-contained, no dynamic linking) set `CGO_ENABLED=0`.
+To set a version during build time, add the following CLI option
+`-ldflags "-X webservice/configuration.version=${VERSION}"`.
+For more information, please refer to the [Makefile](./Makefile).
#### Run:
diff --git a/configuration/config.go b/configuration/config.go
index be25fb6..2286c4b 100644
--- a/configuration/config.go
+++ b/configuration/config.go
@@ -12,9 +12,11 @@ import (
const BODY_SIZE_LIMIT = 32 * 1024 * 1024 // 32 MB, in bytes
+var version string = "n/a"
+
type Config struct {
- Version string `env:"VERSION" envDefault:"N/A"`
+ Version string
LogLevel string `env:"LOG_LEVE" envDefault:"error"`
@@ -31,7 +33,9 @@ type Config struct {
func New() ( *Config, error ){
- cfg := Config{}
+ cfg := Config{
+ Version: version,
+ }
if err := configParser.Parse( &cfg ); err != nil {
return nil, err
--
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