init

Signed-off-by: joshua <i@joshua.su>

.dockerignore

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+.github/

.github/workflows/build.yaml

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+name: Build dev image
+
+on:
+  push:
+    branches:
+      - main 
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Docker metadata
+        id: metadata
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          file: ./Dockerfile
+          push: true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64
+          tags: ${{ steps.metadata.outputs.tags }}
+          annotations: ${{ steps.metadata.outputs.annotations }}

.gitignore

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+#
+# Project specific excludes
+#
+
+tomcat
+
+#
+# Default excludes
+#
+
+# Binaries
+*.7z
+*.dmg
+*.gz
+*.iso
+*.jar
+*.rar
+*.tar
+*.zip
+*.war
+*.ear
+*.sar
+*.class
+
+# Maven 
+target/
+
+# IntelliJ project files 
+*.iml
+*.iws
+*.ipr
+.idea/
+
+# eclipse project file
+.settings/
+.classpath
+.project
+
+# NetBeans specific
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+
+# OS
+.DS_Store
+
+# Misc
+*.swp
+release.properties
+pom.xml.releaseBackup
+pom.xml.tag

Dockerfile

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+FROM golang:1.23.0-bookworm AS builder
+
+
+# 是否开启go构建代理，如果在本机构建，这可能有用
+ARG ENABLE_MIRROR=false
+RUN if [ ${ENABLE_MIRROR} = true ];then \
+        go env -w GOPROXY=https://goproxy.cn,direct; \
+    fi
+
+# 添加 xcaddy
+RUN go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest
+
+WORKDIR /build
+
+COPY . /build/
+
+RUN ./build.sh
+
+
+FROM gcr.io/distroless/static-debian12
+
+WORKDIR /caddy 
+
+COPY --from=builder /build/caddy /usr/bin/caddy
+
+
+EXPOSE 80
+EXPOSE 443
+EXPOSE 443/udp
+EXPOSE 2019
+
+CMD ["caddy", "run", "--config", "/etc/frontConfig"]
+

README_english.md

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+# Caddy
+
+CI repository，basing mirror site requirements of function, performance, scenerio, customizes and package caddy. It adds some useful plugins and parameters optimization.
+
+CI configuration is automatically generated basing on the below section, so please keep below format stable.
+
+## Modification Content
+
+### Based caddy version
+
+`v2.8.4`
+
+### Plugins
+
+|       name        | operation |                                            description                                                        |                      url                      |
+|:-----------------:|:---------:|:-------------------------------------------------------------------------------------------------------------:|:---------------------------------------------:|
+| caddy-logger-loki |    add    | log.writer plugin able to send log directly to loki without promtail help. This reduce unnecessary contaienrs | https://github.com/sujoshua/caddy-logger-loki | 
+
+### Images
+
+1. Using distroless base image and multi-stage build to reduce image size.
+2. Change default cmd to `caddy run --config /etc/frontConfig`, to fit kubesync default config.

build.sh

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+#!/bin/bash
+
+set -e
+
+plugin_urls_file=$(./get_plugins.sh)
+trap "rm $plugin_urls_file" EXIT
+caddy_version=$(./get_caddy_version.sh)
+
+declare -a plugin_urls
+while IFS= read -r url; do
+    echo "detected plugin url: " $url
+    plugin_urls+=("$url")
+done < $plugin_urls_file
+
+
+plugin_cmd=""
+for url in "${plugin_urls[@]}";do
+    plugin_cmd+=" --with $url"
+done
+
+build_cmd=$(echo xcaddy build $caddy_version $plugin_cmd)
+echo "build_cmd: $build_cmd"
+
+# we use distroless image, so static is needed.
+export CGO_ENABLED=0
+eval "$build_cmd"

get_caddy_version.sh

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+#!/bin/bash
+
+TARGET_FILE="README_english.md"
+
+version_line=$(awk '/^### Based caddy version/{getline; getline; print; exit}' $TARGET_FILE)
+
+version_line_tripped=$(echo $version_line | xargs)
+
+echo ${version_line_tripped:1:${#version_line_tripped}-2}

get_plugins.sh

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+#!/bin/bash
+
+# 从README中的plugin表格解析出需要添加的插件的url
+
+# 从READMEi_english读取要添加的plugin. english版本好处理一些 
+TARGET_FILE='README_english.md'
+
+# 提取plugin表格
+function extract_plugin_table(){
+    in_file=$1
+    out_file=$2
+    while IFS= read -r line; do
+        # 如果遇到标题 "### Plugins"，标记为开始提取
+        if [[ "$line" == "### Plugins" ]]; then
+            in_table=1
+            continue
+        fi
+
+        # 如果已在表格部分并遇到空行，则增加换行计数器
+        if [[ $in_table -eq 1 ]]; then
+            if [[ -z "$line" ]]; then
+                newline_count=$((newline_count + 1))
+                if [[ $newline_count -ge 2 ]]; then
+                    # 遇到第二个空行，停止提取
+                    in_table=0
+                    break
+                fi
+            else
+                echo "$line" >> "$out_file"
+            fi
+        fi
+    done < $in_file
+
+    # 处理提取的内容，去掉首尾的空行
+    sed -i '/^\s*$/d' "$out_file"
+}
+
+# 将md table的一行转换成数组
+function parse_array(){
+    local line="$1"
+    line=${line:1:${#line}-2}
+    IFS='|' read -r -a columns <<< "$line"
+    echo ${columns[@]}
+}
+
+# 获取第i个参数
+function get_index(){
+    local line="$1"
+    line=${line:1:${#line}-2}
+    IFS='|' read -r -a columns <<< "$line"
+    echo ${columns[$2]}
+}
+
+# 遍历array,找出指定的value的位置
+function index_array(){
+    local target=$1
+    shift
+    local arrays=("$@")
+    if [ ${#arrays[@]} -eq 0 ];then
+        echo "please input array!"
+        return 2
+    fi
+
+    for i in "${!arrays[@]}";do
+        if [ "${arrays[$i]}" == "$target" ]; then
+            echo $i
+            return 0
+        fi
+    done
+
+    echo "not found."
+    return 1
+}
+
+tmp_file=$(mktemp)
+trap "rm $out_file" EXIT
+
+extract_plugin_table $TARGET_FILE $tmp_file
+head_a=$(parse_array "$(head -n1 $tmp_file)")
+url_index=$(index_array url $head_a)
+
+result_file=$(mktemp)
+skip_line=2
+while IFS= read -r line; do
+    if [ ! "$skip_line" -eq 0 ];then
+        skip_line=$((skip_line-1))
+        continue
+    fi
+    raw_url=$(get_index "$line" $url_index) 
+    echo ${raw_url#https://} >> $result_file
+done < $tmp_file
+
+echo $result_file
+
+
+rm $tmp_file