Dockerfile

# syntax=docker/dockerfile:experimental@sha256:600e5c62eedff338b3f7a0850beb7c05866e0ef27b2d2e8c02aa468e78496ff5

# Distroless debug is used to get a busybox shell
ARG RUNTIME_IMAGE_TAG=debug-dca9008b864a381b5ce97196a4d8399ac3c2fa65@sha256:ea6a51495f94a482dc431cd247bbace8f9a096ed6397005995245520ce5afcfe

# Copyright 2022 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Build the manager binary
FROM golang:1.26.2@sha256:2a2b4b5791cea8ae09caecba7bad0bd9631def96e5fe362e4a5e67009fe4ae61 AS builder

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  --mount=type=cache,target=/root/.local/share/golang \
     --mount=type=cache,target=/go/pkg/mod \
     go mod download

# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/
COPY cloud/ cloud/
COPY util/ util/
# Build
ARG VERSION=dev
ARG LDFLAGS="-s -w  -X 'github.com/outscale/cluster-api-provider-outscale/cloud/utils.version=${VERSION}'"
ARG ARCH=amd64

RUN --mount=type=cache,target=/root/.cache/go-build \
    --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.local/share/golang \
    CGO_ENABLED=0 GOOS=linux GOARCH=${ARCH} go build -ldflags "${LDFLAGS}"  -o manager .

# 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-debian12:${RUNTIME_IMAGE_TAG}
WORKDIR /
COPY --from=builder /workspace/manager .
USER 65532:65532

ENTRYPOINT ["/manager"]