Dockerfile

# Build the manager binary
FROM golang:1.25@sha256:dd7d32e19b28621cd982082397fc0510d396805b717d5e77466aa2dd692340de AS builder
ARG TARGETOS
ARG TARGETARCH
ARG APPLICATION_VERSION=dev

WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN go mod download

# Copy the go source
# Copy full cmd tree so imports like cmd/config are available during build.
COPY cmd/ cmd/
COPY api/ api/
COPY internal/ internal/
COPY pkg/ pkg/

# Build
# the GOARCH has not a default value to allow the binary be built according to the host where the command
# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager \
    -ldflags "-X 'github.com/scality/disk-management-agent/cmd/config.ApplicationVersion=${APPLICATION_VERSION}'" \
    cmd/main.go

# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM gcr.io/distroless/static:nonroot@sha256:963fa6c544fe5ce420f1f54fb88b6fb01479f054c8056d0f74cc2c6000df5240
WORKDIR /
COPY --from=builder /workspace/manager .
USER 65532:65532

ENTRYPOINT ["/manager"]