Use a pre-set docker container

.github/actions/build-linux/docker/Dockerfile

@@ -0,0 +1,20 @@
+FROM ubuntu
+
+RUN apt-get update -y \
+    && apt install curl -y \
+    && apt-get install g++ -y \
+    && apt-get install -y libboost-all-dev \
+    && apt-get install -y libcurl4-openssl-dev \
+    && apt-get install -y cmake
+
+RUN apt install unzip -y
+
+RUN mkdir xerces-c \
+    && cd xerces-c \
+    && curl -o xerces-c.zip https://dlcdn.apache.org//xerces/c/3/sources/xerces-c-3.2.5.zip \
+    && unzip xerces-c.zip -d . && mv xerces-c-*/* .
+
+RUN cd xerces-c \
+    && ./configure --disable-shared --enable-xmlch-uint16_t --prefix=$(pwd)/_build \
+    && make -j \
+    && make install

.github/workflows/linux-unittest.yml

@@ -6,6 +6,7 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
+    container: simeonrolev/mvr-lib-linux
     steps:
       - uses: actions/checkout@v4  # https://github.com/nektos/act/issues/307
       - name: Build