docker: add docker support

.dockerignore

@@ -0,0 +1 @@
+.gitignore

.gitignore

@@ -7,3 +7,4 @@ vendor
 work
 .vscode/
 .coverage*
+.git

Makefile

@@ -21,8 +21,11 @@ GOFLAGS ?= -gcflags '$(GCFLAGS)' -ldflags '$(LDFLAGS)' -tags '${BUILD_TAGS}'
 ifeq ("$(WITH_RACE)", "1")
 	GOFLAGS = $(GOFLAGS) -race
 endif
+IMAGE_TAG ?= latest
 EXECUTABLE_TARGETS := $(patsubst cmd/%,cmd_%,$(wildcard cmd/*))
 
+.PHONY: cmd_% build test docker
+
 default: cmd
 
 cmd: $(EXECUTABLE_TARGETS)
@@ -40,3 +43,6 @@ test:
 	go tool cover -func=.coverage.out -o .coverage.func
 	tail -1 .coverage.func
 	go tool cover -html=.coverage.out -o .coverage.html
+
+docker:
+	docker build -t "tiproxy:${IMAGE_TAG}" -f docker/Dockerfile .

docker/Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine:latest
+
+EXPOSE 3080
+EXPOSE 3081
+EXPOSE 6000
+
+ADD ./ proxy
+RUN sh ./proxy/docker/apk-fastest-mirror.sh
+RUN apk add git make go
+RUN cd proxy && make build && cp bin/* /bin/ && cp -a conf /etc/proxy && cd .. && rm -rf proxy
+RUN apk del git make go

docker/apk-fastest-mirror.sh

@@ -0,0 +1,48 @@
+#!/bin/sh
+# shellcheck disable=SC3043
+
+get_hostname_url() {
+    local n
+    n="${1#*://}"
+    echo "${n%%/*}"
+}
+
+time_cmd() {
+    local proc start end
+
+    proc=$(cut -d ' ' -f1 /proc/uptime)
+    start="$(echo "$proc" | cut -d . -f1)$(echo "$proc" | cut -d . -f2)"
+    "$@" >/dev/null 2>&1 || return
+    proc=$(cut -d ' ' -f1 /proc/uptime)
+    end="$(echo "$proc" | cut -d . -f1)$(echo "$proc" | cut -d . -f2)" 
+    echo $((end - start))
+}
+
+DATA=""
+MIRRORS=$(wget -qO- "http://rsync.alpinelinux.org/alpine/MIRRORS.txt")
+DST=/etc/apk/mirrors.txt
+
+#find best
+for URL in $MIRRORS; do
+    TIME=$(time_cmd wget -T 1 -t 1 -q "${URL%/}" -O /dev/null)
+
+    if [ -n "$TIME" ]; then
+        echo "$(get_hostname_url "$URL") was $TIME"
+        DATA="$DATA$TIME $URL\n"
+        if [ "$TIME" -lt "50" ]; then
+          break
+        fi
+    fi
+
+done
+
+if printf '%b' "$DATA" | sort -n | tail -n +2 > $DST; then
+    echo file $DST created
+fi
+
+BEST=$(head -n1 $DST | cut -d ' ' -f2)
+echo "Best mirror is: $BEST"
+
+sed -i -r 's#^http.+/(.+/main)#'"${BEST%/}"'/\1#' /etc/apk/repositories
+sed -i -r 's#^http.+/(.+/community)#'"${BEST%/}"'/\1#' /etc/apk/repositories
+sed -i -r 's#^http.+/(.+/testing)#'"${BEST%/}"'/\1#' /etc/apk/repositories

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/go-mysql-org/go-mysql v1.6.0
 	github.com/goccy/go-yaml v1.9.5
 	github.com/pingcap/errors v0.11.5-0.20211224045212-9687c2b0f87c
+	github.com/pingcap/log v1.1.0
 	github.com/pingcap/tidb v1.1.0-beta.0.20220819110652-8b5b724d8a93
 	github.com/pingcap/tidb/parser v0.0.0-20220819110652-8b5b724d8a93
 	github.com/prometheus/client_golang v1.12.2
@@ -20,7 +21,10 @@ require (
 	go.etcd.io/etcd/server/v3 v3.5.2
 	go.uber.org/atomic v1.9.0
 	go.uber.org/zap v1.21.0
+	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e
 	google.golang.org/grpc v1.45.0
+	gopkg.in/yaml.v2 v2.4.0
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
@@ -69,7 +73,6 @@ require (
 	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
 	github.com/pingcap/failpoint v0.0.0-20220423142525-ae43b7f4e5c3 // indirect
 	github.com/pingcap/kvproto v0.0.0-20220804022843-f006036b1277 // indirect
-	github.com/pingcap/log v1.1.0 // indirect
 	github.com/pingcap/tipb v0.0.0-20220718022156-3e2483c20a9e // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
@@ -110,7 +113,6 @@ require (
 	go.opentelemetry.io/proto/otlp v0.7.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
 	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
-	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
 	golang.org/x/net v0.0.0-20220722155237-a158d28d115b // indirect
 	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
 	golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10 // indirect
@@ -120,7 +122,5 @@ require (
 	google.golang.org/genproto v0.0.0-20220324131243-acbaeb5b85eb // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
 )