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-rw-r--r--ci/Dockerfile5
-rw-r--r--ci/README12
2 files changed, 15 insertions, 2 deletions
diff --git a/ci/Dockerfile b/ci/Dockerfile
index 5929f832d..d39fd8d7b 100644
--- a/ci/Dockerfile
+++ b/ci/Dockerfile
@@ -1,7 +1,8 @@
FROM elixir:1.10.4
+# Single RUN statement, otherwise intermediate images are created
+# https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#run
RUN apt-get update &&\
- apt-get install -y libmagic-dev cmake libimage-exiftool-perl ffmpeg &&\
+ apt-get install -y libmagic-dev cmake libimage-exiftool-perl ffmpeg &&\
mix local.hex --force &&\
mix local.rebar --force
-
diff --git a/ci/README b/ci/README
new file mode 100644
index 000000000..3785adef1
--- /dev/null
+++ b/ci/README
@@ -0,0 +1,12 @@
+## Dependencies
+
+Assuming an AMD64 Alpine system, you're going to need the following packages
+- `qemu qemu-openrc qemu-arm qemu-aarch64` for binfmt
+- `docker-cli-buildx` for building the images
+
+## Setting up
+
+```
+docker login git.pleroma.social:5050
+doas rc-service qemu-binfmt start
+```