Might be outdated. Check https://github.com/swaywm/sway/wiki/Development-Setup.

sway_dockerfile_fedora29

# This Dockerfile is not pure and should not be used as anything other than a reference.
# You can build an image by running `docker build -t sway -f fedora29 .`

FROM fedora:29

# Install build dependencies.
RUN dnf install -y git gcc meson ninja-build 

# Install dependencies.
RUN dnf install -y wayland-devel wayland-protocols-devel mesa-libEGL-devel mesa-libGLES-devel libdrm-devel libgbm-devel libxkbcommon-devel libudev-devel pixman-devel libinput-devel libevdev-devel systemd-devel cairo-devel libpcap-devel json-c-devel pam-devel pango-devel pcre-devel gdk-pixbuf2-devel

# Drivers, may be needed.
RUN dnf install -y mesa-dri-drivers

RUN git clone https://github.com/swaywm/wlroots /root/wlroots
WORKDIR /root/wlroots

# Build wlroots and install it to /usr/local/lib64/wlroots.
RUN meson build
RUN ninja -C build install

RUN git clone https://github.com/swaywm/sway /root/sway
WORKDIR /root/sway

# These environment variables are necessary to tell Meson and Sway where to find the wlroots shared object.
# You should add both of these to your .bashrc and prepend `export` to each one.
# Be sure they are set before you run `meson build`
ARG PKG_CONFIG_PATH=/usr/local/lib64/pkgconfig
ARG LD_LIBRARY_PATH=/usr/local/lib64

# Build Sway and install it to /usr/local/bin.
RUN meson build
RUN ninja -C build install