Add epicbox-gcc/10 image

README.md

@@ -4,11 +4,14 @@ Dockerfiles to build images used to automatically grade
 
 Base images with created `sandbox (1000:1000)` user:
 * [`stepik/epicbox-base:alpine-3.6`](https://hub.docker.com/r/stepik/epicbox-base/)
+* [`stepik/epicbox-base:bullseye`](https://hub.docker.com/r/stepik/epicbox-base/)
+* [`stepik/epicbox-base:buster`](https://hub.docker.com/r/stepik/epicbox-base/)
 * [`stepik/epicbox-base:stretch`](https://hub.docker.com/r/stepik/epicbox-base/)
 * [`stepik/epicbox-base:jessie`](https://hub.docker.com/r/stepik/epicbox-base/)
 
 Images for programming languages:
 * ASM32, ASM64, C, C++, C++11: [`stepik/epicbox-gcc:6.3.0`](https://hub.docker.com/r/stepik/epicbox-gcc/)
+* C++17, C++20: [`stepik/epicbox-gcc:10.2.1`](https://hub.docker.com/r/stepik/epicbox-gcc/)
 * C#: [`stepik/epicbox-mono:5.0.0`](https://hub.docker.com/r/stepik/epicbox-mono/)
 * Clojure: [`stepik/epicbox-clojure:1.9.0.397`](https://hub.docker.com/r/stepik/epicbox-clojure/)
 * Go: [`stepik/epicbox-go:1.8.1`](https://hub.docker.com/r/stepik/epicbox-go/)

epicbox-base/debian/bullseye/Dockerfile

@@ -1,9 +1,9 @@
 FROM bitnami/minideb:bullseye
 MAINTAINER Stepik Team <[email protected]>
 
-RUN apt-get update && apt-get install -y --no-install-recommends locales && \
-  rm -r /var/lib/apt/lists /var/cache/apt/archives && \
-  sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && locale-gen
+RUN apt-get update && apt-get install -y --no-install-recommends locales \
+  && rm -rf /var/lib/apt/lists/* \
+  && sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && locale-gen
 
 ENV LANG en_US.UTF-8
 

epicbox-gcc/10/Dockerfile

@@ -0,0 +1,8 @@
+FROM stepik/epicbox-base:bullseye
+MAINTAINER Stepik Team <[email protected]>
+
+ENV GCC_VERSION 10.2.1-1
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc=4:${GCC_VERSION} gcc-multilib=4:${GCC_VERSION} g++=4:${GCC_VERSION} \
+ && rm -rf /var/lib/apt/lists/*