From 00bada890ba5719f9937bf339362111fa0fc5ca5 Mon Sep 17 00:00:00 2001
From: Samuel Enocsson <samuel.enocsson@gmail.com>
Date: Fri, 22 May 2026 12:07:36 +0200
Subject: [PATCH] build: multi-stage Dockerfile with build info ldflags

---
 .dockerignore | 10 ++++++++++
 Dockerfile    | 22 ++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..fb92392
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,10 @@
+.git
+.gitignore
+.github
+docs/
+README.md
+*.md
+.env
+.env.*
+gitea-action/
+docker-compose.example.yml
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..ea79def
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,22 @@
+# syntax=docker/dockerfile:1.7
+
+FROM golang:1.23-alpine AS build
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+ARG VERSION=dev
+ARG COMMIT=unknown
+ARG BUILD_TIME=unknown
+RUN CGO_ENABLED=0 go build \
+    -ldflags="-s -w \
+      -X main.version=${VERSION} \
+      -X main.commit=${COMMIT} \
+      -X main.buildTime=${BUILD_TIME}" \
+    -o /out/package-updater ./cmd/server
+
+FROM alpine:3.20
+RUN apk add --no-cache docker-cli docker-cli-compose ca-certificates wget
+COPY --from=build /out/package-updater /usr/local/bin/
+EXPOSE 8080
+ENTRYPOINT ["/usr/local/bin/package-updater"]