minor update to Dockerfiles and CI

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

.github/workflows/development.yml

@@ -463,7 +463,7 @@ jobs:
 
   build-linux-packages:
     name: Build Linux packages
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         include:

.github/workflows/docker.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os:
-          - ubuntu-22.04
+          - ubuntu-latest
         docker_pkg:
           - debian
           - alpine
@@ -25,10 +25,10 @@ jobs:
           - true
           - false
         include:
-          - os: ubuntu-22.04
+          - os: ubuntu-latest
             docker_pkg: distroless
             optional_deps: false
-          - os: ubuntu-22.04
+          - os: ubuntu-latest
             docker_pkg: debian-plugins
             optional_deps: true
     steps:

.github/workflows/release.yml

@@ -296,7 +296,7 @@ jobs:
 
   prepare-linux:
     name: Prepare Linux binaries
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         include:

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.24-bookworm as builder
+FROM golang:1.24-bookworm AS builder
 
 ENV GOFLAGS="-mod=readonly"
 
@@ -10,7 +10,7 @@ WORKDIR /workspace
 ARG GOPROXY
 
 COPY go.mod go.sum ./
-RUN go mod download
+RUN go mod download && go mod verify
 
 ARG COMMIT_SHA
 

Dockerfile.alpine

@@ -1,4 +1,4 @@
-FROM golang:1.24-alpine3.20 AS builder
+FROM golang:1.24-alpine3.21 AS builder
 
 ENV GOFLAGS="-mod=readonly"
 
@@ -25,7 +25,7 @@ RUN set -xe && \
     export COMMIT_SHA=${COMMIT_SHA:-$(git describe --always --abbrev=8 --dirty)} && \
     go build $(if [ -n "${FEATURES}" ]; then echo "-tags ${FEATURES}"; fi) -trimpath -ldflags "-s -w -X github.com/drakkan/sftpgo/v2/internal/version.commit=${COMMIT_SHA} -X github.com/drakkan/sftpgo/v2/internal/version.date=`date -u +%FT%TZ`" -v -o sftpgo
 
-FROM alpine:3.20
+FROM alpine:3.21
 
 # Set to "true" to install jq and the optional git and rsync dependencies
 ARG INSTALL_OPTIONAL_PACKAGES=false

Dockerfile.distroless

@@ -1,4 +1,4 @@
-FROM golang:1.24-bookworm as builder
+FROM golang:1.24-bookworm AS builder
 
 ENV CGO_ENABLED=0 GOFLAGS="-mod=readonly"
 
@@ -10,7 +10,7 @@ WORKDIR /workspace
 ARG GOPROXY
 
 COPY go.mod go.sum ./
-RUN go mod download
+RUN go mod download && go mod verify
 
 ARG COMMIT_SHA