workflows,dockerfiles: Add basic build tests

.github/workflows/docker-builds.yml

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+name: Run docker builds
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+    build_in_docker:
+        strategy:
+            matrix:
+                # gcc-13+,clang-16+ will fail due broken capnp supplied with debian bookworm
+                os: [debian, debian-gcc-12, debian-clang-15, ubuntu-24.04, ubuntu-24.10]
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v2
+
+            - name: chdir
+              run: cd $GITHUB_WORKSPACE
+
+            - name: Build Docker image
+              run: docker build -t debian -f tests/Dockerfile.${{ matrix.os }} .

tests/Dockerfile.debian

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+FROM debian:bookworm
+
+# non-interactive
+ENV DEBIAN_FRONTEND noninteractive
+
+# install build dependencies
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential git ca-certificates cmake libssl-dev\
+    capnproto libcapnp-dev libelf-dev libbpf-dev libpcap-dev libgrpc-dev libgrpc++-dev libprotobuf-dev\
+    protobuf-compiler libprotoc-dev libprotobuf-dev protobuf-compiler-grpc libboost-dev\
+    libboost-serialization-dev libboost-thread-dev libboost-regex-dev libboost-program-options-dev\
+    libmongoc-dev liblog4cpp5-dev libncurses5-dev
+
+COPY src/ /src/
+WORKDIR /src
+RUN mkdir build && cd build && cmake .. -DLINK_WITH_ABSL=ON\
+    && make -j$(nproc)

tests/Dockerfile.debian-clang-15

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+FROM debian:bookworm
+
+# non-interactive
+ENV DEBIAN_FRONTEND noninteractive
+
+# install build dependencies
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential git ca-certificates cmake libssl-dev\
+    capnproto libcapnp-dev libelf-dev libbpf-dev libpcap-dev libgrpc-dev libgrpc++-dev libprotobuf-dev\
+    protobuf-compiler libprotoc-dev libprotobuf-dev protobuf-compiler-grpc libboost-dev\
+    libboost-serialization-dev libboost-thread-dev libboost-regex-dev libboost-program-options-dev\
+    libmongoc-dev liblog4cpp5-dev libncurses-dev
+
+# install clang-15
+RUN apt-get install -y --no-install-recommends clang-15
+
+# set clang-15 as default compiler
+RUN update-alternatives --install /usr/bin/cc cc /usr/bin/clang-15 100
+RUN update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-15 100
+
+
+COPY src/ /src/
+WORKDIR /src
+RUN mkdir build && cd build && cmake .. -DLINK_WITH_ABSL=ON\
+    && make -j$(nproc)

tests/Dockerfile.debian-gcc-12

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+FROM gcc:12-bookworm
+
+# non-interactive
+ENV DEBIAN_FRONTEND noninteractive
+
+# install build dependencies
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential git ca-certificates cmake libssl-dev\
+    capnproto libcapnp-dev libelf-dev libbpf-dev libpcap-dev libgrpc-dev libgrpc++-dev libprotobuf-dev\
+    protobuf-compiler libprotoc-dev libprotobuf-dev protobuf-compiler-grpc libboost-dev\
+    libboost-serialization-dev libboost-thread-dev libboost-regex-dev libboost-program-options-dev\
+    libmongoc-dev liblog4cpp5-dev
+
+
+COPY src/ /src/
+WORKDIR /src
+RUN mkdir build && cd build && cmake .. -DLINK_WITH_ABSL=ON\
+    && make -j$(nproc)

tests/Dockerfile.ubuntu-24.04

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+FROM ubuntu:24.04
+
+# non-interactive
+ENV DEBIAN_FRONTEND noninteractive
+
+# install build dependencies
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential git ca-certificates cmake libssl-dev\
+    capnproto libcapnp-dev libelf-dev libbpf-dev libpcap-dev libgrpc-dev libgrpc++-dev libprotobuf-dev\
+    protobuf-compiler libprotoc-dev libprotobuf-dev protobuf-compiler-grpc libboost-dev\
+    libboost-serialization-dev libboost-thread-dev libboost-regex-dev libboost-program-options-dev\
+    libmongoc-dev liblog4cpp5-dev libncurses5-dev
+
+# absl
+RUN apt-get install -y --no-install-recommends libabsl-dev
+
+COPY src/ /src/
+WORKDIR /src
+RUN mkdir build && cd build && cmake .. -DLINK_WITH_ABSL=ON\
+    && make

tests/Dockerfile.ubuntu-24.10

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+FROM ubuntu:24.10
+
+# non-interactive
+ENV DEBIAN_FRONTEND noninteractive
+
+# install build dependencies
+RUN apt-get update
+RUN apt-get install -y --no-install-recommends build-essential git ca-certificates cmake libssl-dev\
+    capnproto libcapnp-dev libelf-dev libbpf-dev libpcap-dev libgrpc-dev libgrpc++-dev libprotobuf-dev\
+    protobuf-compiler libprotoc-dev libprotobuf-dev protobuf-compiler-grpc libboost-dev\
+    libboost-serialization-dev libboost-thread-dev libboost-regex-dev libboost-program-options-dev\
+    libmongoc-dev liblog4cpp5-dev libncurses5-dev
+
+# absl
+RUN apt-get install -y --no-install-recommends libabsl-dev
+
+COPY src/ /src/
+WORKDIR /src
+RUN mkdir build && cd build && cmake .. -DLINK_WITH_ABSL=ON\
+    && make