feat: replace Earthly (#2154)

Signed-off-by: Julien Mancuso <jmancuso@nvidia.com>

Earthfile

@@ -13,6 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+#######################################################################
+# 🚨 DEPRECATION NOTICE 🚨
+#
+# This Earthfile is being replaced by docker
+# This file is kept temporarily for backward compatibility but will
+# be removed in a future release. Please migrate to the new system.
+#######################################################################
+
 VERSION 0.8
 
 ############### ARTIFACTS TARGETS ##############################

deploy/cloud/operator/Dockerfile

+# SPDX-FileCopyrightText: Copyright (c) 2024-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+# Base stage - Common setup for all stages
+FROM golang:1.24 AS base
+
+# Docker buildx automatically provides these
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
+
+RUN echo "Building for ${TARGETOS}/${TARGETARCH}"
+
+# Install common dependencies
+RUN apt-get update && apt-get install -y git && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /workspace
+
+# Copy go mod and sum files first for better layer caching
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Lint stage
+FROM base AS linter
+
+# Install golangci-lint using go install (builds with current Go version)
+RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
+
+# Run linting
+RUN golangci-lint run --timeout=5m
+
+# Test stage
+FROM base AS tester
+
+# Install make if not present
+RUN apt-get update && apt-get install -y make && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Run tests using Makefile
+RUN make test
+
+# Build stage - depends on successful lint and test
+FROM base AS builder
+
+# Build the binary
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o manager ./cmd/main.go
+
+# Runtime stage
+FROM nvcr.io/nvidia/distroless/go:v3.1.12
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER 65532:65532
+
+ENTRYPOINT ["./manager"]

deploy/cloud/operator/Earthfile

@@ -13,6 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+#######################################################################
+# 🚨 DEPRECATION NOTICE 🚨
+#
+# This Earthfile for the operator is being replaced by docker
+# This file is kept temporarily for backward compatibility but will
+# be removed in a future release. Please migrate to the new system.
+#######################################################################
+
 VERSION 0.8
 
 # Base container for both build and test

docs/guides/dynamo_deploy/installation_guide.md

@@ -100,7 +100,15 @@ export IMAGE_TAG=${RELEASE_VERSION}
 
 # 2. Build operator
 cd deploy/cloud/operator
-earthly --push +docker --DOCKER_SERVER=$DOCKER_SERVER --IMAGE_TAG=$IMAGE_TAG
+
+# 2.1 Alternative 1 : Build and push the operator image for multiple platforms
+docker buildx create --name multiplatform --driver docker-container --bootstrap
+docker buildx use multiplatform
+docker buildx build --platform linux/amd64,linux/arm64 -t $DOCKER_SERVER/dynamo-operator:$IMAGE_TAG --push .
+
+# 2.2 Alternative 2 : Build and push the operator image for a single platform
+docker build -t $DOCKER_SERVER/dynamo-operator:$IMAGE_TAG . && docker push $DOCKER_SERVER/dynamo-operator:$IMAGE_TAG
+
 cd -
 
 # 3. Create namespace and secrets to be able to pull the operator image