Update Go base image to version 1.25-alpine

[kp625544]

1.24 gives the following error:

=> ERROR [builder 5/6] RUN go mod download 0.6s

[builder 5/6] RUN go mod download:
0.428 go: go.mod requires go >= 1.25.0 (running go 1.24.13; GOTOOLCHAIN=local) ------
Dockerfile:7

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5 | WORKDIR /app
6 | COPY . /app
7 | >>> RUN go mod download
8 | RUN go build ./cmd/dnsx
9 |

ERROR: failed to build: failed to solve: process "/bin/sh -c go mod download" did not complete successfully: exit code: 1

Summary by CodeRabbit

• Chores
  • Updated the build environment to use Go 1.25, improving compatibility with the latest Go toolchain.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 4e1d5537-06c0-47a2-8fe1-e49e2752f9a0

📥 Commits

Reviewing files that changed from the base of the PR and between baa4798 and d39b168.

📒 Files selected for processing (1)

• Dockerfile

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Walkthrough

Changes

Docker Builder Image

Layer / File(s)	Summary
Upgrade Go builder image Dockerfile	The builder stage now uses golang:1.25-alpine instead of golang:1.24-alpine.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• projectdiscovery/dnsx#985: This PR also updates the Dockerfile’s Go builder image version.

Poem

A rabbit hops past the Dockerfile line,
Go 1.25 makes the build align.
Alpine guides the builder’s way,
One small change for a brighter day.
“Hop, compile, and ship!” I say.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: upgrading the Go Docker base image to version 1.25-alpine.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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