improve upsert perfomance

makefile

@@ -2,7 +2,10 @@ VERSION=$(shell git tag --sort=v:refname 2>/dev/null | head -n1)
 REVISION=$(shell git rev-parse --short HEAD)
 BUILDTIME=$(shell date -u +%FT%T)
 
+PHONY: build.docker.web build.docker.migrator build.docker
+
 build.docker: build.docker.web build.docker.migrator
+	echo "finished"
 
 build.docker.web:
 	docker build\
@@ -10,7 +13,8 @@ build.docker.web:
 		--build-arg REVISION=${REVISION}\
 		--build-arg BUILDTIME=${BUILDTIME}\
 		-t git.loyso.art/devsim-web:latest\
-		-f ./dockers/web/Dockerfile\
+		-f ./dockers/both/Dockerfile\
+		--target=web\
 		.
 
 build.docker.migrator:
@@ -19,7 +23,8 @@ build.docker.migrator:
 		--build-arg REVISION=${REVISION}\
 		--build-arg BUILDTIME=${BUILDTIME}\
 		-t git.loyso.art/devsim-migrator:latest\
-		-f ./dockers/migrator/Dockerfile\
+		-f ./dockers/both/Dockerfile\
+		--target=migrator\
 		.
 
 build:
@@ -27,3 +32,6 @@ build:
 	-ldflags "-w -s -X 'git.loyso.art/frx/devsim.version=${VERSION}' -X 'git.loyso.art/frx/devsim.revision=${REVISION}' -X 'git.loyso.art/frx/devsim.buildTime=${BUILDTIME}Z'" \
 	-o bin/web ./cmd/web/*.go
 
+build.client:
+	CGO_ENABALED=0 go build \
+	-o bin/client ./cmd/simulator/main.go