Clean up github actions ci

.github/workflows/build.yml

@@ -1,13 +1,27 @@
 name: CI
 
-on: 
+on:
   push:
+    branches: [ main ]
   pull_request:
-  release:
-    types:
-      - published
+  workflow_call:
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    name: Linter
+    env:
+      MIX_ENV: test
+    steps:
+      - uses: actions/checkout@v3
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: 25.0
+          elixir-version: 1.14.0
+      - run: mix deps.get
+      - run: mix compile --warnings-as-errors
+      - run: mix credo --strict --ignore design.tagtodo,readability.maxlinelength
+
   test:
     services:
       postgres:
@@ -25,40 +39,25 @@ jobs:
           --health-retries 5
     strategy:
       matrix:
-        include:
+        version:
           - otp: 25.0
             elixir: 1.14.0
             os: ubuntu-latest
           - otp: 22.0
             elixir: 1.12.0
-            # It's necessary to run on ubuntu 20.04 for OTP 20 - 25
+            # It's necessary to run on ubunto 20.04 for OTP 20 - 25
             # See https://github.com/erlef/setup-beam
-            os: ubuntu-20.04
-    runs-on: ${{ matrix.os }}
-    name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
-    steps:
-      - uses: actions/checkout@v3
-      - uses: erlef/setup-beam@v1
-        with:
-          otp-version: ${{ matrix.otp }}
-          elixir-version: ${{ matrix.elixir }}
-      - run: mix deps.get
-      - run: mix test
-        env:
-          POSTGRES_URL: ecto://postgres:postgres@localhost/pow_assent_test
-      - run: MIX_ENV=test mix credo --ignore design.tagtodo,readability.maxlinelength --strict
-  deploy:
-    needs: test
-    runs-on: ubuntu-latest
-    if: github.event_name == 'release' && github.event.action == 'published'
-    name: Deploy published release
+            os: ubuntu-20.04       
+    runs-on: ${{ matrix.version.os }}
+    name: OTP ${{matrix.version.otp}} / Elixir ${{matrix.version.elixir}}
     env:
-      HEX_API_KEY: ${{secrets.HEX_API_KEY}}
+      MIX_ENV: test
+      POSTGRES_URL: ecto://postgres:postgres@localhost/pow_assent_test
     steps:
       - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
         with:
-          otp-version: 24.0
-          elixir-version: 1.12
-      - run: mix deps.get
-      - run: mix hex.publish --yes
+          otp-version: ${{matrix.version.otp}}
+          elixir-version: ${{matrix.version.elixir}}
+      - run: mix deps.get mix compile --warnings-as-errors
+      - run: mix test

.github/workflows/publish.yml

@@ -0,0 +1,25 @@
+name: Publish
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  test:
+    uses: ./.github/workflows/ci.yml
+
+  publish:
+    needs: test
+    runs-on: ubuntu-latest
+    name: Publish release
+    env:
+      HEX_API_KEY: ${{secrets.HEX_API_KEY}}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: erlef/setup-beam@v1
+        with:
+          otp-version: 24.0
+          elixir-version: 1.12
+      - run: mix deps.get
+      - run: mix hex.publish --yes