prepare release

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.11)
-project(ego VERSION 0.5.1)
+project(ego VERSION 1.0.0)
 
 if(NOT CMAKE_BUILD_TYPE)
   set(CMAKE_BUILD_TYPE Debug)

README.md

@@ -58,7 +58,7 @@ You can reproducibly build the latest release:
 cd dockerfiles
 DOCKER_BUILDKIT=1 docker build -o. - < Dockerfile.build
 ```
-Or the latest master:
+Or build the latest master:
 ```sh
 cd dockerfiles
 DOCKER_BUILDKIT=1 docker build --build-arg egotag=master --build-arg erttag=master -o. - < Dockerfile.build

dockerfiles/Dockerfile.build

@@ -1,20 +1,18 @@
-FROM ubuntu:focal-20220531 AS build
+FROM ghcr.io/edgelesssys/ego/build-base:v1.0.0 AS build
 
-RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y \
+# don't run `apt-get update` because required packages are cached in build-base for reproducibility
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
   build-essential \
+  ca-certificates \
   clang-10 \
   cmake \
-  doxygen \
   git \
   libssl-dev \
-  locales \
   ninja-build \
-  wget \
-  && locale-gen en_US.UTF-8
-ENV LANG=en_US.UTF-8
+  wget
 
-ARG erttag=v0.3.3
-ARG egotag=v0.5.1
+ARG erttag=v0.3.4
+ARG egotag=v1.0.0
 RUN wget -qO- https://golang.org/dl/go1.18.1.linux-amd64.tar.gz | tar -C /usr/local -xz \
   && git clone -b $erttag --depth=1 https://github.com/edgelesssys/edgelessrt \
   && git clone -b $egotag --depth=1 https://github.com/edgelesssys/ego \

dockerfiles/Dockerfile.build-base

@@ -0,0 +1,10 @@
+FROM ubuntu:focal-20220531
+RUN apt-get update && apt-get install -dy --no-install-recommends \
+  build-essential \
+  ca-certificates \
+  clang-10 \
+  cmake \
+  git \
+  libssl-dev \
+  ninja-build \
+  wget