[Feature:Autograding] Add Erlang image

dockerfiles/erlang/26/Dockerfile

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+# Use the base image
+FROM ubuntu:22.04
+
+WORKDIR /usr/src/app
+ENV LANG=C.UTF-8
+ENV DEBIAN_FRONTEND=noninteractive
+ENV KERL_BASE_DIR=/usr/local/kerl
+
+# Install dependencies for Erlang and the build process
+RUN set -eux; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+    build-essential \
+    libncurses5-dev libsctp1 \
+    ca-certificates wget curl git \
+    autoconf m4 libssl-dev libwxgtk3.0-gtk3-dev libgl1-mesa-dev \
+    libglu1-mesa-dev libpng-dev libssh-dev unixodbc-dev xsltproc fop \
+    locales; \
+    rm -rf /var/lib/apt/lists/*
+
+# Install kerl to manage Erlang builds
+RUN curl -O https://raw.githubusercontent.com/kerl/kerl/master/kerl && \
+    chmod +x kerl && \
+    mv kerl /usr/local/bin/kerl
+
+# Update kerl releases and build Erlang 26.0
+RUN kerl update releases
+RUN MAKEFLAGS=-j6 kerl build 26.0 26.0_build
+RUN kerl install 26.0_build /usr/local/erlang/26.0
+
+# Cleanup the build files
+RUN rm -rf /usr/local/kerl/builds/26.0_build
+
+# Activate the Erlang environment by default
+RUN echo ". /usr/local/erlang/26.0/activate" >> /root/.bashrc && \
+    echo ". /usr/local/erlang/26.0/activate" >> /etc/profile
+
+# Default command
+CMD ["/bin/bash"]

dockerfiles/erlang/metadata.json

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+{
+    "pushLatest": false
+}