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fix: Build multi-arch docker-agent binaries in Docker image

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When Pulse runs in Docker, ARM users couldn't download the docker-agent
because only the host architecture binary was built. The Dockerfile now
builds amd64, arm64, and armv7 binaries and includes them at /opt/pulse/bin/
so the download endpoint can serve all architectures.
This commit is contained in:
rcourtman 2025-10-12 20:01:10 +00:00
parent ee96d11194
commit ce602a989a
1 changed files with 41 additions and 4 deletions
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45
Dockerfile
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@ -39,20 +39,51 @@ COPY --from=frontend-builder /app/frontend-modern/dist ./internal/api/frontend-m
RUN CGO_ENABLED=0 GOOS=linux go build \
-ldflags="-s -w" \
-trimpath \
-o pulse ./cmd/pulse && \
CGO_ENABLED=0 GOOS=linux go build \
-o pulse ./cmd/pulse
# Build docker-agent for multiple architectures so users can download any arch
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
-ldflags="-s -w" \
-trimpath \
-o pulse-docker-agent ./cmd/pulse-docker-agent
-o pulse-docker-agent-linux-amd64 ./cmd/pulse-docker-agent && \
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build \
-ldflags="-s -w" \
-trimpath \
-o pulse-docker-agent-linux-arm64 ./cmd/pulse-docker-agent && \
CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 go build \
-ldflags="-s -w" \
-trimpath \
-o pulse-docker-agent-linux-armv7 ./cmd/pulse-docker-agent
# Keep a host-arch symlink for backward compatibility
RUN cp pulse-docker-agent-linux-amd64 pulse-docker-agent
# Runtime image for the Docker agent (offered via --target agent_runtime)
FROM alpine:latest AS agent_runtime
# Use TARGETARCH to select the correct binary for the build platform
ARG TARGETARCH
ARG TARGETVARIANT
RUN apk --no-cache add ca-certificates tzdata
WORKDIR /app
COPY --from=backend-builder /app/pulse-docker-agent /usr/local/bin/pulse-docker-agent
# Copy all agent binaries first
COPY --from=backend-builder /app/pulse-docker-agent-linux-* /tmp/
# Select the appropriate architecture binary
# Docker buildx automatically sets TARGETARCH (amd64, arm64, arm) and TARGETVARIANT (v7)
RUN if [ "$TARGETARCH" = "arm64" ]; then \
cp /tmp/pulse-docker-agent-linux-arm64 /usr/local/bin/pulse-docker-agent; \
elif [ "$TARGETARCH" = "arm" ]; then \
cp /tmp/pulse-docker-agent-linux-armv7 /usr/local/bin/pulse-docker-agent; \
else \
cp /tmp/pulse-docker-agent-linux-amd64 /usr/local/bin/pulse-docker-agent; \
fi && \
chmod +x /usr/local/bin/pulse-docker-agent && \
rm -rf /tmp/pulse-docker-agent-*
COPY --from=backend-builder /app/VERSION /VERSION
ENTRYPOINT ["/usr/local/bin/pulse-docker-agent"]
@ -80,6 +111,12 @@ RUN mkdir -p /opt/pulse/scripts
COPY scripts/install-docker-agent.sh /opt/pulse/scripts/install-docker-agent.sh
RUN chmod 755 /opt/pulse/scripts/install-docker-agent.sh
# Copy multi-arch docker-agent binaries for download endpoint
RUN mkdir -p /opt/pulse/bin
COPY --from=backend-builder /app/pulse-docker-agent-linux-amd64 /opt/pulse/bin/
COPY --from=backend-builder /app/pulse-docker-agent-linux-arm64 /opt/pulse/bin/
COPY --from=backend-builder /app/pulse-docker-agent-linux-armv7 /opt/pulse/bin/
# Create config directory
RUN mkdir -p /etc/pulse /data