diff --git a/.builds/alpine.yaml b/.builds/alpine.yaml
new file mode 100644
index 0000000..579497a
--- /dev/null
+++ b/.builds/alpine.yaml
@@ -0,0 +1,17 @@
+image: alpine/latest
+packages:
+  - elixir
+  - file-dev
+sources:
+  - https://git.sr.ht/~href/gen_magic
+tasks:
+  - setup: |
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/.builds/archlinux.yaml b/.builds/archlinux.yaml
new file mode 100644
index 0000000..4dc0c26
--- /dev/null
+++ b/.builds/archlinux.yaml
@@ -0,0 +1,17 @@
+image: archlinux
+packages:
+  - elixir
+  - file
+sources:
+  - https://git.sr.ht/~href/gen_magic
+tasks:
+  - setup: |
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/.builds/debian-oldstable.yaml b/.builds/debian-oldstable.yaml
new file mode 100644
index 0000000..915f1a2
--- /dev/null
+++ b/.builds/debian-oldstable.yaml
@@ -0,0 +1,20 @@
+image: debian/oldstable
+packages:
+  - build-essential
+  - erlang
+  - erlang-dev
+  - elixir
+  - libmagic-dev
+sources:
+  - https://git.sr.ht/~href/gen_magic
+tasks:
+  - setup: |
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/.builds/debian-stable.yaml b/.builds/debian-stable.yaml
new file mode 100644
index 0000000..d6bdbe2
--- /dev/null
+++ b/.builds/debian-stable.yaml
@@ -0,0 +1,20 @@
+image: debian/stable
+packages:
+  - build-essential
+  - erlang
+  - erlang-dev
+  - elixir
+  - libmagic-dev
+sources:
+  - https://git.sr.ht/~href/gen_magic
+tasks:
+  - setup: |
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/.builds/debian-testing.yaml b/.builds/debian-testing.yaml
new file mode 100644
index 0000000..bda46e4
--- /dev/null
+++ b/.builds/debian-testing.yaml
@@ -0,0 +1,20 @@
+image: debian/testing
+packages:
+  - build-essential
+  - erlang
+  - erlang-dev
+  - elixir
+  - libmagic-dev
+sources:
+  - https://git.sr.ht/~hrefhref/gen_magic
+tasks:
+  - setup: |
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/.builds/fedora-latest.yaml b/.builds/fedora-latest.yaml
new file mode 100644
index 0000000..ba87865
--- /dev/null
+++ b/.builds/fedora-latest.yaml
@@ -0,0 +1,22 @@
+image: fedora/latest
+packages:
+  - make
+  - gcc
+  - kernel-devel
+  - erlang
+  - elixir
+  - file-devel
+sources:
+  - https://git.sr.ht/~href/gen_magic
+tasks:
+  - setup: |
+      sudo dnf -y group install 'Development Tools'
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/.builds/freebsd.yaml b/.builds/freebsd.yaml
new file mode 100644
index 0000000..3a78947
--- /dev/null
+++ b/.builds/freebsd.yaml
@@ -0,0 +1,17 @@
+image: freebsd/latest
+packages:
+  - elixir
+  - gmake
+sources:
+  - https://git.sr.ht/~href/gen_magic
+tasks:
+  - setup: |
+      mix local.hex --force
+  - build: |
+      cd gen_magic
+      mix deps.get
+      MIX_ENV=test mix compile
+  - test: |
+      cd gen_magic
+      mix test
+
diff --git a/Makefile b/Makefile
index 94ecb19..cb2e93d 100644
--- a/Makefile
+++ b/Makefile
@@ -13,20 +13,17 @@ RM = rm -Rf
 # Unit test custom magic file
 
 MAGIC = file
-TEST_DIRECTORY = test
-TARGET_MAGIC = $(TEST_DIRECTORY)/elixir.mgc
-SOURCE_MAGIC = $(TEST_DIRECTORY)/elixir
+
+all: priv/apprentice test/elixir.mgc
+
+test/%.mgc: test/%
+	cd test; file -C -m ../$^
 
 priv/apprentice: src/apprentice.c
 	mkdir -p priv
 	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 
-# Test case
-
-$(TARGET_MAGIC): $(SOURCE_MAGIC)
-	cd $(TEST_DIRECTORY); $(MAGIC) -C -m elixir
-
 clean:
-	$(RM) $(PRIV) $(BEAM_FILES)
+	$(RM) $(PRIV) $(BEAM_FILES) test/*.mgc
 
 .PHONY: clean