Update alpine Docker tag to v3.22

.gitea/workflows/docker-build.yml

@@ -1,36 +0,0 @@
-name: Docker - build image
-run-name: ${{ gitea.actor }} builds docker image for project 🏗️
-on:
-  push:
-    branches:
-      - "master"
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ vars.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          # list of Docker images to use as base name for tags
-          images: |
-            paramah/tinyproxy
-          # generate Docker tags based on the following events/attributes
-          tags: |
-            type=ref,event=branch
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}

.gitea/workflows/docker-release.yml

@@ -1,35 +0,0 @@
-name: Docker - release
-run-name: ${{ gitea.actor }} builds image for project 🏗️
-on:
-  push:
-    tags:
-      - "v*.*.*"
-jobs:
-  docker:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ vars.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          # list of Docker images to use as base name for tags
-          images: |
-            paramah/tinyproxy
-          # generate Docker tags based on the following events/attributes
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.15 as builder
+FROM alpine:3.22 as builder
 
 ENV TINYPROXY_VERSION=1.11.0
 
@@ -18,7 +18,7 @@ RUN adduser -D -u 2000 -h /var/run/tinyproxy -s /sbin/nologin tinyproxy tinyprox
   && make \
   && make install
 
-FROM alpine:3.15
+FROM alpine:3.22
 
 RUN set -xe \
     && apk add --no-cache wget curl bash openssh