Set up container build

Signed-off-by: Yuri Shkuro <github@ysh.us>

Author: yurishkuro

.github/workflows/build-and-push.yml

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+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to the Container registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/s390x,linux/ppc64le
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

Dockerfile

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+# Copyright (c) 2025 The Jaeger Authors.
+# SPDX-License-Identifier: Apache-2.0
+
+FROM golang:1.24.1-alpine AS build
+ARG TARGETARCH
+ENV GOPATH /go
+RUN apk add --update --no-cache ca-certificates make git build-base mailcap
+
+WORKDIR /go/src/debug-delve
+COPY go.mod tools.go /go/src/debug-delve/
+
+# TODO: Remove s390x once go-delve adds support for it (https://github.com/go-delve/delve/issues/2883)
+# TODO: Remove ppc64le once support is released (https://github.com/go-delve/delve/issues/1564)
+RUN if [[ "$TARGETARCH" == "s390x" ||  "$TARGETARCH" == "ppc64le" ]] ; then \
+        touch /go/bin/dlv; \
+    else \
+        go mod download && go build -o /go/bin/dlv github.com/go-delve/delve/cmd/dlv; \
+    fi
+
+FROM golang:1.24.1-alpine
+COPY --from=build /go/bin/dlv /go/bin/dlv
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=build /etc/mime.types /etc/mime.types

README.md

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+# Base Image with Debugger
+
+This repository builds and publishes a base Docker image containing the [Delve](https://github.com/go-delve/delve) debugger. This image is intended to be used as a base for debugging Go applications in containers.
+
+## Image Contents
+
+- Alpine-based Go image
+- `dlv` (Delve debugger) installed in `/go/bin/dlv`
+- CA certificates and mime types
+
+## Usage
+
+You can use this image in your Dockerfiles:
+
+```dockerfile
+FROM ghcr.io/jaegertracing/base-image-with-debugger:latest
+# ... your build steps ...
+```
+
+## Maintenance
+
+The versions of the base image and Delve are managed by Renovate.

go.mod

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+module debug-delve
+
+go 1.24.1
+
+require github.com/go-delve/delve v1.26.0

renovate.json

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+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:best-practices",
+    ":gitSignOff"
+  ],
+  "labels": [
+    "changelog:dependencies"
+  ],
+  "postUpdateOptions": [
+    "gomodTidy",
+    "gomodUpdateImportPaths"
+  ]
+}

tools.go

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+// Copyright (c) 2025 The Jaeger Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+//go:build tools
+
+package tools
+
+// This file follows the recommendation at
+// https://go.dev/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module
+// on how to pin tooling dependencies to a go.mod file.
+
+import (
+	_ "github.com/go-delve/delve/cmd/dlv"
+)