Switch from 'apt' back to 'apt-get'

The newer 'apt' command is recommended for interactive use, but not
for scripts. Running 'apt' non-interactively produces the following
message:

    WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

Author: tom93

.github/workflows/build-domjudge-container-PR.yml

@@ -54,7 +54,7 @@ jobs:
           if [ ${{ env.DOMJUDGE_VERSION }} != "M.m.p" ]; then
             exit 0
           fi
-          sudo apt update; sudo apt install -y jq curl
+          sudo apt-get update; sudo apt-get install -y jq curl
           set -x
             HUBURL="https://registry.hub.docker.com/v2/repositories/domjudge/domserver/tags"
             TAG=$(curl $HUBURL|jq '.results | sort_by(.name) | .[-2].name')

.github/workflows/build-domjudge-container-release.yml

@@ -54,7 +54,7 @@ jobs:
             echo "I don't know which version to pick!"
             exit 1
           fi
-          sudo apt update; sudo apt install jq curl -y
+          sudo apt-get update; sudo apt-get install jq curl -y
           set -x
             HUBURL="https://registry.hub.docker.com/v2/repositories/domjudge/domserver/tags"
             TAG=$(curl $HUBURL|jq '.results | sort_by(.name) | .[-2].name')

docker-contributor/Dockerfile

@@ -16,11 +16,11 @@ ENV DEBIAN_FRONTEND=noninteractive \
   DJ_DB_INSTALL_BARE=0 \
   PHPSUPPORTED="8.1 8.2 8.3" \
   DEFAULTPHPVERSION="8.3" \
-  APTINSTALL="apt install -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold"
+  APTINSTALL="apt-get install -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold"
 
 # Install required packages and clean up afterwards to make this image layer smaller
-RUN apt update \
-    && apt install --no-install-recommends --no-install-suggests -y \
+RUN apt-get update \
+    && apt-get install --no-install-recommends --no-install-suggests -y \
     dumb-init autoconf automake git acl \
     gcc g++ make zip unzip mariadb-client \
     nginx php8.3 php8.3-cli php8.3-fpm php8.3-zip \
@@ -53,14 +53,14 @@ RUN groupadd -g $GID domjudge \
   && for id in $(seq 0 4); do useradd -d /nonexistent -g nogroup -s /bin/false "domjudge-run-$id"; done
 
 # Install composer
-RUN apt update && \
-    apt install --no-install-recommends --no-install-suggests -y ca-certificates \
+RUN apt-get update && \
+    apt-get install --no-install-recommends --no-install-suggests -y ca-certificates \
 	&& rm -rf /var/lib/apt/lists/* \
     && php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" && php composer-setup.php \
     && mv /composer.phar /usr/local/bin/composer
 
 # Install all supported PHP versions
-RUN add-apt-repository ppa:ondrej/php -y && apt update
+RUN add-apt-repository ppa:ondrej/php -y && apt-get update
 RUN for VERSION in $PHPSUPPORTED; do \
         if [ "${VERSION}" != "8.3" ]; then \
             $APTINSTALL php${VERSION}; \

docker-gitlabci/Dockerfile

@@ -1,8 +1,8 @@
 FROM ubuntu:24.04
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PHPSUPPORTED="7.4 8.0 8.1 8.2"
-ENV APTINSTALL="apt install -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold"
-RUN apt update && apt install -y \
+ENV APTINSTALL="apt-get install -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold"
+RUN apt-get update && apt-get install -y \
   acl make zip unzip apache2-utils bsdmainutils libcurl4-gnutls-dev \
   libjsoncpp-dev libmagic-dev autoconf automake bats sudo debootstrap procps \
   gcc g++ default-jre-headless default-jdk ghc fp-compiler libcgroup-dev \
@@ -29,7 +29,7 @@ RUN apt update && apt install -y \
 RUN composer -n require justinrainbow/json-schema
 
 # Install other PHP versions
-RUN add-apt-repository ppa:ondrej/php -y && apt update && \
+RUN add-apt-repository ppa:ondrej/php -y && apt-get update && \
     PACKAGES=$(dpkg-query -f '${binary:Package}\n' -W|grep "^php.*-") && \
     for VERSION in $PHPSUPPORTED; do \
         $APTINSTALL php${VERSION} && \

docker/domserver/Dockerfile

@@ -4,8 +4,8 @@ LABEL org.opencontainers.image.authors="DOMjudge team <[email protected]>"
 ENV DEBIAN_FRONTEND=noninteractive
 
 # Install required packages for build of domserver
-RUN apt update \
-	&& apt install --no-install-recommends --no-install-suggests -y \
+RUN apt-get update \
+	&& apt-get install --no-install-recommends --no-install-suggests -y \
 	autoconf automake git pkg-config \
 	gcc g++ make acl zip unzip \
 	php-cli php-zip \
@@ -52,8 +52,8 @@ ENV DEBIAN_FRONTEND=noninteractive \
 	DJ_DB_INSTALL_BARE=0
 
 # Install required packages for running of domserver
-RUN apt update \
-	&& apt install --no-install-recommends --no-install-suggests -y \
+RUN apt-get update \
+	&& apt-get install --no-install-recommends --no-install-suggests -y \
 	acl curl zip unzip supervisor mariadb-client apache2-utils \
 	nginx php-cli php-fpm php-zip \
 	php-gd php-curl php-mysql php-json php-intl \

docker/judgehost/Dockerfile

@@ -11,8 +11,8 @@ ENV DEBIAN_FRONTEND=noninteractive \
 	RUN_USER_UID_GID=62860
 
 # Install required packages for running of judgehost
-RUN apt update \
-	&& apt install --no-install-recommends --no-install-suggests -y \
+RUN apt-get update \
+	&& apt-get install --no-install-recommends --no-install-suggests -y \
 	dumb-init pkg-config \
 	acl lsof zip unzip supervisor sudo procps libcgroup2 \
 	php-cli php-zip php-gd php-curl php-mysql php-json \

docker/judgehost/Dockerfile.build

@@ -4,8 +4,8 @@ LABEL org.opencontainers.image.authors="DOMjudge team <[email protected]>"
 ENV DEBIAN_FRONTEND=noninteractive
 
 # Install required packages for build of judgehost
-RUN apt update \
-	&& apt install --no-install-recommends --no-install-suggests -y \
+RUN apt-get update \
+	&& apt-get install --no-install-recommends --no-install-suggests -y \
 	autoconf automake git pkg-config \
 	gcc g++ make zip unzip \
 	php-cli php-zip lsb-release debootstrap \

docker/judgehost/Dockerfile.chroot

@@ -1,6 +1,6 @@
 FROM ubuntu:20.04
 ENV DEBIAN_FRONTEND=noninteractive
-RUN apt update && apt -y install \
+RUN apt-get update && apt-get -y install \
   ca-certificates default-jre-headless pypy3 locales \
   && rm -rf /var/lib/apt/lists/*