add docker with openexr 3.3 (#165)

Author: michaeldsmith

.github/workflows/docker_linuxes.yml

@@ -211,3 +211,13 @@ jobs:
 
       - name: Run unit tests (ctest) within the Docker image
         run: docker run ctl:latest sh -c "cd ./build && ctest"  
+
+  ubuntu-22-04-openexr33:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build the Docker image
+        run: docker build --no-cache --rm -f ./docker/Dockerfile_ubuntu_22.04_openexr33 -t ctl:latest .
+  
+      - name: Run unit tests (ctest) within the Docker image
+        run: docker run ctl:latest sh -c "cd ./build && ctest"  

docker/Dockerfile_ubuntu_22.04_openexr33

@@ -0,0 +1,37 @@
+FROM ubuntu:22.04
+
+RUN apt-get update
+
+# disable interactive install 
+ENV DEBIAN_FRONTEND noninteractive
+
+# install developement tools
+RUN apt-get -y install cmake
+RUN apt-get -y install g++
+RUN apt-get -y install git
+
+# install CTL dependencies
+RUN apt-get -y install libtiff-dev
+
+# install CTL dependecies - openexr
+WORKDIR /usr/src/
+RUN git clone https://github.com/AcademySoftwareFoundation/openexr.git
+WORKDIR /usr/src/openexr
+RUN git checkout RB-3.3 
+WORKDIR /usr/src/openexr/build
+RUN cmake .. -DBUILD_TESTING=OFF -DOPENEXR_BUILD_TOOLS=OFF -DOPENEXR_INSTALL_EXAMPLES=OFF
+RUN make
+RUN make install
+
+# build CTL
+WORKDIR /usr/src/CTL
+COPY . .
+WORKDIR /usr/src/CTL/build
+RUN rm -R * || true
+RUN cmake ..
+RUN make
+RUN make install
+
+# finalize docker environment
+WORKDIR /usr/src/CTL
+