From b30d51e9a36f202c993d9084fc4178928e260148 Mon Sep 17 00:00:00 2001
From: Drew Bowering <db@d-b.ca>
Date: Wed, 26 Nov 2025 13:58:50 -0700
Subject: [PATCH] add Dockerfile for smtprelay

---
 Dockerfile | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..b98ecdb
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,22 @@
+# Package versions
+ARG GOLANG_VERSION="1.25.4"
+
+# Stage 1: Build
+FROM core.harbor.brds.ca/library/golang:${GOLANG_VERSION} AS builder
+WORKDIR /project
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+RUN go build .
+
+# Stage 2: Package
+FROM scratch
+LABEL org.opencontainers.image.title="smtprelay"
+LABEL org.opencontainers.image.authors="drew@brds.ca"
+LABEL org.opencontainers.image.description="Image containing the smtprelay program."
+
+COPY --from=builder /project/smtprelay /
+
+# Command to run
+ENTRYPOINT ["/smtprelay"]