add benchmark result and fix Dockerfile names since it does not depends on architecture

docker/Dockerfile

@@ -29,7 +29,6 @@ RUN apt-get update && apt-get install -qy --no-install-recommends $BUILD_DEPS &&
 ########################################
 FROM base AS runner
 
-ENV TAG_NAME=amd64
 ENV RUNTIME_DEPS logrotate ca-certificates gosu
 
 RUN apt-get update && \

docker/Dockerfile.amd64-slim

@@ -18,7 +18,6 @@ RUN echo "Building rpxy from source" && \
 FROM alpine:latest as runner
 LABEL maintainer="Jun Kurihara"
 
-ENV TAG_NAME=amd64-slim
 ENV TARGET_DIR=x86_64-unknown-linux-musl
 ENV RUNTIME_DEPS logrotate ca-certificates su-exec
 

docker/docker-compose.yml

@@ -10,7 +10,7 @@ services:
       - 127.0.0.1:8443:8443
     build:
       context: ../
-      dockerfile: ./docker/Dockerfile.amd64
+      dockerfile: ./docker/Dockerfile
     environment:
       - LOG_LEVEL=debug
       - LOG_TO_FILE=true