From b206441a4aaac164861bccac7557b13a3553ef87 Mon Sep 17 00:00:00 2001
From: renz <renz@uuxo.net>
Date: Sat, 13 Dec 2025 09:45:25 +0000
Subject: [PATCH] fix: Add cross-compilation and fix QEMU ARM64 compatibility

- Added --platform=$BUILDPLATFORM to builder stage for cross-compilation
- Added TARGETOS and TARGETARCH build args
- Pinned Alpine to 3.19 for better QEMU emulation stability
- Split apk add commands to prevent trigger failures under QEMU
- Fixes ARM64 build failures in CI/CD pipeline
---
 Dockerfile | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 9fcaf3b..142218e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,9 @@
 # Multi-stage build for minimal image size
-FROM golang:1.24-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.24-alpine AS builder
+
+# Build arguments for cross-compilation
+ARG TARGETOS
+ARG TARGETARCH
 
 # Install build dependencies
 RUN apk add --no-cache git make
@@ -13,21 +17,21 @@ RUN go mod download
 # Copy source code
 COPY . .
 
-# Build binary
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-w -s" -o dbbackup .
+# Build binary with cross-compilation support
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
+    go build -a -installsuffix cgo -ldflags="-w -s" -o dbbackup .
 
 # Final stage - minimal runtime image
+# Using pinned version 3.19 which has better QEMU compatibility
 FROM alpine:3.19
 
 # Install database client tools
-RUN apk add --no-cache \
-    postgresql-client \
-    mysql-client \
-    mariadb-client \
-    pigz \
-    pv \
-    ca-certificates \
-    tzdata
+# Split into separate commands for better QEMU compatibility
+RUN apk add --no-cache postgresql-client
+RUN apk add --no-cache mysql-client
+RUN apk add --no-cache mariadb-client
+RUN apk add --no-cache pigz pv
+RUN apk add --no-cache ca-certificates tzdata
 
 # Create non-root user
 RUN addgroup -g 1000 dbbackup && \