.gitlab-ci.yml

 default:
   before_script:
-    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin $CI_REGISTRY
   interruptible: true
 
 stages:
@@ -28,7 +28,22 @@ get-cookie:
       - cookies.txt
     expire_in: 5 minutes
 
-docker-build:
+build-latest: 
+  stage: build 
+  image: docker:latest
+  services:
+    - docker:dind
+  dependencies:
+    - get-cookie
+  script: 
+    - echo "Building and tagging as latest"
+    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - docker build --build-arg BUILDKIT_INLINE_CACHE=1 --cache-from $CI_REGISTRY_IMAGE:latest -t $CI_REGISTRY_IMAGE:latest .
+    - docker push $CI_REGISTRY_IMAGE:latest 
+  only: 
+    - main
+
+build-version:
   stage: build
   image: docker:latest
   services:
@@ -36,7 +51,10 @@ docker-build:
   dependencies: 
     - get-cookie
   script:
+    - echo "Building and tagging as $CI_COMMIT_REF_NAME"
     - docker pull $CI_REGISTRY_IMAGE:latest || true
-    - docker build --build-arg BUILDKIT_INLINE_CACHE=1 --build-arg USERNAME=${USERNAME} --build-arg PASSWORD=${PASSWORD} --cache-from $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA --tag $CI_REGISTRY_IMAGE:latest .
-    - docker push $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
-    - docker push $CI_REGISTRY_IMAGE:latest
+    - docker build --build-arg BUILDKIT_INLINE_CACHE=1 --cache-from $CI_REGISTRY_IMAGE:latest -t $CI_REGISTRY_IMAGE:${CI_COMMIT_REF_NAME#v} .
+    - docker push $CI_REGISTRY_IMAGE:${CI_COMMIT_REF_NAME#v}
+  only: 
+    - tags 
+    - /^v\d+\.\d+$/
\ No newline at end of file

Dockerfile

@@ -2,16 +2,18 @@ FROM ubuntu:jammy
 
 ENV DEBIAN_FRONTEND=noninteractive
 
+# install curl and download the febio installer first to prevent any site timeout for the cookies
 RUN apt-get update && \
-    apt-get install -y \
-    zip \
-    curl \
-    jq \
-    unzip \
+    apt-get install curl -y
+
+COPY cookies.txt /tmp/cookies.txt
+RUN curl --output /tmp/febio.zip -b /tmp/cookies.txt "https://febio.org/download/12171/?tmstv=1729879260" && \
+    rm /tmp/cookies.txt
+
+RUN apt-get install -y \
+    binutils \
+    libgomp1 \
     libglu1-mesa \
-    libqt5widgets5 \
-    libqt5gui5 \
-    libqt5core5a \
     libx11-6 \
     libxtst6 \
     libxrender1 \
@@ -21,28 +23,30 @@ RUN apt-get update && \
     libxcb-xinerama0 \
     libxkbcommon-x11-0 \
     mesa-utils \
+    openbox \
+    qt6-base-dev \
     x11-apps \
     xorg \
-    openbox \
-    libgomp1 \
+    zip \
     && rm -rf /var/lib/apt/lists
 
-COPY cookies.txt /tmp/cookies.txt
-RUN curl --output /tmp/febio.zip -b /tmp/cookies.txt "https://febio.org/download/12171/?tmstv=1729879260"
-
-RUN unzip /tmp/febio.zip && \
-    chmod +x FEBioStudio_linux-x64_2.7_FEBio_4.7.run && \
+RUN unzip -p /tmp/febio.zip > /tmp/febio.run && \
+    chmod +x /tmp/febio.run && \
     rm /tmp/febio.zip
 
-RUN ./FEBioStudio_linux-x64_2.7_FEBio_4.7.run \
+RUN /tmp/febio.run \
       --mode unattended \
       --unattendedmodeui minimal \
       --enable-components comp_febio_sdk
 
-RUN rm FEBioStudio_linux-x64_2.7_FEBio_4.7.run && \
-    ln -s /opt/FEBioStudio/bin/FEBioStudio /opt/FEBioStudio && \
-    ln -s /opt/FEBioStudio/bin/febio4 /opt/febio4
+RUN rm /tmp/febio.run && \
+    ln -s /opt/FEBioStudio/bin/FEBioStudio /usr/bin/FEBioStudio && \
+    ln -s /opt/FEBioStudio/bin/febio4 /usr/bin/febio4
 
-ENV PATH="/opt:$PATH"
+# See https://unix.stackexchange.com/a/700599. libQt6Core.so.6 adds a tag that denotes a minimum kernel version required
+# to run it and is set to 3.17.0, above Centos7's 3.10.0. This is why the library was never found even within a 
+# container despite successfully finding other Qt6 libraries. This command removes that tag so Qt6Core will function on 
+# Linux kernel 3.10.0
+RUN strip --remove-section=.note.ABI-tag /opt/FEBioStudio/lib/libQt6Core.so.6
 
 ENTRYPOINT ["FEBioStudio"]