Replace Vagrant with Docker Compose

.gitignore

@@ -1,3 +1,5 @@
+/.env
+
 Makefile
 Makefile.in
 .deps/

Dockerfile

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+FROM ubuntu:focal-20211006
+
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN groupadd -g 5000 dev \
+    && useradd -u 5000 -g 5000 -m -s /bin/bash dev
+
+RUN apt update \
+    && apt install -y \
+        apt-transport-https \
+        automake \
+        autotools-dev \
+        bindfs \
+        binutils \
+        curl \
+        dpkg-dev \
+        git \
+        gpg \
+        graphviz \
+        jq \
+        less \
+        libcurl4-gnutls-dev \
+        libedit-dev \
+        libeditline-dev \
+        libjemalloc-dev \
+        liblua5.1-0-dev \
+        libluajit-5.1-dev \
+        libncurses-dev \
+        libpcre3-dev \
+        libtool \
+        lua5.1 \
+        luajit \
+        make \
+        nano \
+        netcat \
+        pkg-config \
+        python3 \
+        python3-docutils \
+        python3-sphinx \
+        python3-venv \
+        tar \
+        telnet \
+        unzip \
+        vim-common \
+        wget \
+    && apt clean \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN cd /tmp \
+    && wget --no-check-certificate https://varnish-cache.org/_downloads/varnish-6.0.9.tgz \
+    && tar zxvf varnish-*.tgz \
+    && rm -f varnish-*.tgz \
+    && cd varnish-* \
+    && ./autogen.sh \
+    && ./configure \
+    && make \
+    && make PREFIX='/usr/local' install \
+    && ldconfig
+
+COPY ./docker-entrypoint.sh /
+ENTRYPOINT ["/docker-entrypoint.sh"]

docker-compose.yml

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+---
+
+#
+# Cheat sheet:
+#   $ echo -e "UID=$(id -u)\nGID=$(id -g)" > .env
+#   $ docker compose up --build --detach
+#   $ docker compose exec --user dev --workdir /mnt/host dev bash
+#     $ ./autogen.sh
+#     $ ./configure
+#     $ make
+#     $ make check
+#   $ docker compose down --volumes --remove-orphans
+#
+
+version: '3.7'
+
+name: libvmod-cfg-6_0
+
+services:
+  dev:
+    hostname: dev
+    build:
+      context: .
+    privileged: true
+    environment:
+      HOST_UID: ${UID:?}
+      HOST_GID: ${GID:?}
+    volumes:
+      - .:/mnt/host.raw
+    tmpfs:
+      - /run
+      - /run/lock
+      - /var/cache
+      - /tmp:exec