Update Docker image

Dockerfile

@@ -1,6 +1,6 @@
-# Set the base image. We cannot use alpine as long as we don't get rid of 
+# Set the base image. We cannot use alpine as long as we don't get rid of
 # therubyracer.
-FROM ruby:2.7.2-slim
+FROM ruby:3.1.2-slim
 
 # Tag the repository.
 LABEL org.opencontainers.image.source https://github.com/dodona-edu/dodona
@@ -11,12 +11,17 @@ LABEL org.opencontainers.image.source https://github.com/dodona-edu/dodona
 
 # Install system packages.
 RUN apt-get update
-RUN apt-get -y install --no-install-recommends \ 
-    build-essential curl git libmariadb-dev
+RUN apt-get -y install --no-install-recommends \
+    build-essential ca-certificates curl git gnupg libmariadb-dev
 
 # Install NodeJS.
-RUN curl -sL https://deb.nodesource.com/setup_12.x | bash
-RUN apt-get -y install --no-install-recommends nodejs
+RUN mkdir -p /etc/apt/keyrings
+RUN curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | \
+    gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+ENV NODE_MAJOR=20
+RUN echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | \
+    tee /etc/apt/sources.list.d/nodesource.list
+RUN apt-get update && apt-get -y install --no-install-recommends nodejs
 RUN npm install -g yarn
 
 # Install common ruby packages to leverage docker caching.
@@ -58,6 +63,9 @@ RUN sed -i '[email protected]:dodona-edu/+https://github.com/dodona-edu/+g' \
 RUN sed -i 's/judge-pythia.git/judge-java12.git/' /app/db/seeds.rb
 RUN sed -i 's/20\.times/2.times/g' /app/db/seeds.rb
 
+RUN yarn build:js
+RUN yarn build:css
+
 # Set the initialisation script.
 RUN chmod +x /app/docker-entrypoint.sh
 ENTRYPOINT /app/docker-entrypoint.sh
@@ -70,4 +78,4 @@ EXPOSE 3000
 ################################################################################
 
 # Remove build dependencies.
-RUN apt-get purge -y --auto-remove build-essential
+RUN apt-get purge -y --auto-remove build-essential

README.md

@@ -1,3 +1,13 @@
 # Dodona docker image
 
 This repository contains the files to create a Dodona docker image. A nightly version is published every night based on the develop branch of the main Dodona repo.
+
+## Usage
+
+```bash
+git clone https://github.com/dodona-edu/dodona
+git clone https://github.com/dodona-edu/docker-image
+cp docker-image/* dodona/
+cd dodona/
+docker-compose up -d
+```

docker-compose.yml

@@ -12,6 +12,8 @@ services:
             interval: 5s
             timeout: 1m
             retries: 12
+        volumes:
+          - data:/var/lib/mysql
         ports:
             - "3306:3306"
 
@@ -20,5 +22,10 @@ services:
         build: .
         depends_on:
             - database
+        volumes:
+          - /var/run/docker.sock:/var/run/docker.sock
         ports:
-            - "3000:3000"
+            - "3000:3000"
+
+volumes:
+  data: