Add JDK21 (LTS) to the test matrix

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        java: [jdk11, jdk17, jdk18, graalvm]
+        java: [jdk11, jdk17, jdk18, jdk21, graalvm]
       fail-fast: false
     steps:
       - name: Check out the repository
@@ -25,6 +25,9 @@ jobs:
       - name: Test in Linux JDK 18
         if: matrix.os == 'ubuntu-latest' && matrix.java == 'jdk18'
         run: docker compose -f docker/Linux-JDK18/docker-compose.yml up --build --exit-code-from cantaloupe
+      - name: Test in Linux JDK 21 (LTS)
+        if: matrix.os == 'ubuntu-latest' && matrix.java == 'jdk21'
+        run: docker compose -f docker/Linux-JDK21/compose.yml up --build --exit-code-from cantaloupe
       - name: Test in Linux GraalVM
         if: matrix.os == 'ubuntu-latest' && matrix.java == 'graalvm'
         run: docker compose -f docker/Linux-GraalVM20/docker-compose.yml up --build --exit-code-from cantaloupe
@@ -37,4 +40,7 @@ jobs:
       - name: Test in Windows JDK 18
         if: matrix.os == 'windows-latest' && matrix.java == 'jdk18'
         run: docker compose -f docker/Windows-JDK18/docker-compose.yml up --build --exit-code-from cantaloupe
+      - name: Test in Windows JDK 21 (LTS)
+        if: matrix.os == 'windows-latest' && matrix.java == 'jdk21'
+        run: docker compose -f docker/Windows-JDK21/compose.yml up --build --exit-code-from cantaloupe
       # TODO: Windows+GraalVM

docker/Linux-JDK21/Dockerfile

@@ -0,0 +1,56 @@
+FROM ubuntu:lunar
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+# Install various dependencies:
+# * ca-certificates is needed by wget
+# * ffmpeg is needed by FfmpegProcessor
+# * wget download stuffs in this dockerfile
+# * libopenjp2-tools is needed by OpenJpegProcessor
+# * All the rest is needed by GrokProcessor
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  ca-certificates \
+  ffmpeg \
+  wget \
+  libopenjp2-tools \
+  liblcms2-dev \
+  libpng-dev \
+  libzstd-dev \
+  libtiff-dev \
+  libjpeg-dev \
+  zlib1g-dev \
+  libwebp-dev \
+  libimage-exiftool-perl \
+  libgrokj2k1 \
+  grokj2k-tools \
+  adduser \
+  openjdk-21-jdk \
+  maven \
+  && rm -rf /var/lib/apt/lists/*
+
+# Install TurboJpegProcessor dependencies
+RUN mkdir -p /opt/libjpeg-turbo/lib
+COPY docker/Linux-JDK11/image_files/libjpeg-turbo/lib64 /opt/libjpeg-turbo/lib
+
+# Install KakaduNativeProcessor dependencies
+COPY dist/deps/Linux-x86-64/lib/* /usr/lib/
+
+# A non-root user is needed for some FilesystemSourceTest tests to work.
+ARG user=cantaloupe
+ARG home=/home/$user
+RUN adduser --home $home $user
+RUN chown -R $user $home
+USER $user
+WORKDIR $home
+
+# Install application dependencies
+COPY ./pom.xml pom.xml
+
+RUN echo "export JAVA_HOME=$(dirname $(dirname $(readlink -f $(which java))))" > ~/.bashrc
+RUN mvn --quiet dependency:resolve
+
+# Copy the code
+COPY --chown=cantaloupe docker/Linux-JDK11/image_files/test.properties test.properties
+COPY --chown=cantaloupe ./src src
+
+ENTRYPOINT mvn --batch-mode test -Pfreedeps

docker/Linux-JDK21/compose.yml

@@ -0,0 +1,20 @@
+#
+# N.B.: docker compose must be invoked from the project root directory:
+#
+# docker compose -f path/to/compose.yml up --exit-code-from cantaloupe
+#
+services:
+  cantaloupe:
+    build:
+      context: ../../
+      dockerfile: $PWD/docker/Linux-JDK21/Dockerfile
+  minio:
+    image: minio/minio
+    environment:
+      MINIO_ACCESS_KEY: MinioUser
+      MINIO_SECRET_KEY: OpenSesame
+    hostname: minio
+    command: server /data
+  redis:
+    image: redis:alpine
+    hostname: redis

docker/Windows-JDK21/Dockerfile

@@ -0,0 +1,29 @@
+FROM mcr.microsoft.com/windows/servercore:ltsc2022
+
+ENV chocolateyUseWindowsCompression false
+
+# Install the Chocolatey package manager, which makes it easier to install
+# dependencies.
+RUN powershell -Command \
+  iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1')); \
+  choco feature disable --name showDownloadProgress
+
+# Install various dependencies
+# TODO: openjpeg
+RUN choco install -y maven ffmpeg
+RUN choco install -y openjdk --version=21.0.2
+
+# Install TurboJpegProcessor dependencies TODO: libjpeg-turbo
+#RUN mkdir -p /opt/libjpeg-turbo/lib
+#COPY docker/Windows10-JDK11/image_files/libjpeg-turbo/lib64 c:\windows\system32
+
+# Install KakaduNativeProcessor dependencies
+COPY dist/deps/Windows-x86-64/lib/* c:/Windows/System32/
+
+# Install application dependencies
+COPY pom.xml pom.xml
+RUN mvn dependency:resolve
+
+# Copy the code
+COPY docker/Windows-JDK11/image_files/test.properties test.properties
+COPY src src

docker/Windows-JDK21/Dockerfile-minio

@@ -0,0 +1,10 @@
+FROM mcr.microsoft.com/windows/servercore:ltsc2022
+
+ENV MINIO_ACCESS_KEY=MinioUser
+ENV MINIO_SECRET_KEY=OpenSesame
+
+RUN curl.exe --output minio.exe --url https://dl.min.io/server/minio/release/windows-amd64/minio.exe
+
+RUN mkdir c:\data
+
+CMD minio.exe server --address=:9000 c:\data

docker/Windows-JDK21/compose.yml

@@ -0,0 +1,18 @@
+#
+# N.B.: docker-compose must be invoked from the project root directory:
+#
+# docker compose -f path/to/compose.yml up --exit-code-from cantaloupe
+#
+services:
+  cantaloupe:
+    build:
+      context: ../../
+      dockerfile: docker/Windows-JDK21/Dockerfile
+  minio:
+    build:
+      context: ../../
+      dockerfile: docker/Windows-JDK21/Dockerfile-minio
+    environment:
+      MINIO_ACCESS_KEY: MinioUser
+      MINIO_SECRET_KEY: OpenSesame
+    hostname: minio