ARG FEDORA_BASE=42

# Allow build scripts to be referenced without being copied into the final image
FROM scratch AS ctx
COPY build_files /
COPY /sys_files /sys_files
COPY cosign.pub /cosign.pub

# Base Image
FROM quay.io/fedora-ostree-desktops/silverblue:$FEDORA_BASE

### [IM]MUTABLE /opt
## Some bootable images, like Fedora, have /opt symlinked to /var/opt, in order to
## make it mutable/writable for users. However, some packages write files to this directory,
## thus its contents might be wiped out when bootc deploys an image, making it troublesome for
## some packages. Eg, google-chrome, docker-desktop.
##
## Uncomment the following line if one desires to make /opt immutable and be able to be used
## by the package manager.

RUN rm /opt && mkdir /opt

### MODIFICATIONS
## make modifications desired in your image and install packages by modifying the build.sh script
## the following RUN directive does all the things required to run "build.sh" as recommended.

RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
  --mount=type=cache,dst=/var/cache \
  --mount=type=cache,dst=/var/log \
  --mount=type=tmpfs,dst=/tmp \
  /ctx/build.sh && /ctx/cleanup.sh

### LINTING
## Verify final image and contents are correct.
RUN bootc container lint