Added backwards compatibility for Elixir down to 1.13 (#46)

* Specified range of Elixir and OTP versions supported in CI by template. * Specified that template supports any Elixir version from 1.13.
Elixir-journey · Dec 8, 2024 · f93064d · f93064d
1 parent 91e4b79
commit f93064d
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diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -11,15 +11,46 @@ on:
 jobs:
   setup:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          # Elixir 1.13 combinations
+          - elixir: '1.13'
+            otp: '25'
+
+          # Elixir 1.14 combinations
+          - elixir: '1.14'
+            otp: '25'
+
+          # Elixir 1.15 combinations
+          - elixir: '1.15'
+            otp: '25'
+          - elixir: '1.15'
+            otp: '26'
+
+          # Elixir 1.16 combinations
+          - elixir: '1.16'
+            otp: '25'
+          - elixir: '1.16'
+            otp: '26'
+
+          # Elixir 1.17 combinations
+          - elixir: '1.17'
+            otp: '25'
+          - elixir: '1.17'
+            otp: '26'
+          - elixir: '1.17'
+            otp: '27'
+
     steps:
       - name: Check out the code
         uses: actions/checkout@v4
 
       - name: Set up Elixir
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.17'
-          otp-version: '27.1.2'
+          elixir-version: ${{ matrix.elixir }}
+          otp-version: ${{ matrix.otp }}
 
       - name: Install dependencies
         run: mix deps.get
@@ -35,15 +66,45 @@ jobs:
   linting:
     runs-on: ubuntu-latest
     needs: setup
+    strategy:
+      matrix:
+        include:
+          # Elixir 1.13 combinations
+          - elixir: '1.13'
+            otp: '25'
+
+          # Elixir 1.14 combinations
+          - elixir: '1.14'
+            otp: '25'
+
+          # Elixir 1.15 combinations
+          - elixir: '1.15'
+            otp: '25'
+          - elixir: '1.15'
+            otp: '26'
+
+          # Elixir 1.16 combinations
+          - elixir: '1.16'
+            otp: '25'
+          - elixir: '1.16'
+            otp: '26'
+
+          # Elixir 1.17 combinations
+          - elixir: '1.17'
+            otp: '25'
+          - elixir: '1.17'
+            otp: '26'
+          - elixir: '1.17'
+            otp: '27'
     steps:
       - name: Check out the code
         uses: actions/checkout@v4
 
       - name: Set up Elixir
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.17'
-          otp-version: '27.1.2'
+          elixir-version: ${{ matrix.elixir }}
+          otp-version: ${{ matrix.otp }}
 
       - name: Install dependencies (if not cached)
         run: mix deps.get
@@ -76,15 +137,45 @@ jobs:
   docker-check:
     runs-on: ubuntu-latest
     needs: setup
+    strategy:
+      matrix:
+        include:
+          # Elixir 1.13 combinations
+          - elixir: '1.13'
+            otp: '25'
+
+          # Elixir 1.14 combinations
+          - elixir: '1.14'
+            otp: '25'
+
+          # Elixir 1.15 combinations
+          - elixir: '1.15'
+            otp: '25'
+          - elixir: '1.15'
+            otp: '26'
+
+          # Elixir 1.16 combinations
+          - elixir: '1.16'
+            otp: '25'
+          - elixir: '1.16'
+            otp: '26'
+
+          # Elixir 1.17 combinations
+          - elixir: '1.17'
+            otp: '25'
+          - elixir: '1.17'
+            otp: '26'
+          - elixir: '1.17'
+            otp: '27'
     steps:
       - name: Check out the code
         uses: actions/checkout@v4
 
       - name: Set up Elixir
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.17'
-          otp-version: '27.1.2'
+          elixir-version: ${{ matrix.elixir }}
+          otp-version: ${{ matrix.otp }}
 
       - name: Build Docker Image
         run: |
@@ -93,15 +184,45 @@ jobs:
   testing:
     runs-on: ubuntu-latest
     needs: setup
+    strategy:
+      matrix:
+        include:
+          # Elixir 1.13 combinations
+          - elixir: '1.13'
+            otp: '25'
+
+          # Elixir 1.14 combinations
+          - elixir: '1.14'
+            otp: '25'
+
+          # Elixir 1.15 combinations
+          - elixir: '1.15'
+            otp: '25'
+          - elixir: '1.15'
+            otp: '26'
+
+          # Elixir 1.16 combinations
+          - elixir: '1.16'
+            otp: '25'
+          - elixir: '1.16'
+            otp: '26'
+
+          # Elixir 1.17 combinations
+          - elixir: '1.17'
+            otp: '25'
+          - elixir: '1.17'
+            otp: '26'
+          - elixir: '1.17'
+            otp: '27'
     steps:
       - name: Check out the code
         uses: actions/checkout@v4
 
       - name: Set up Elixir
         uses: erlef/setup-beam@v1
         with:
-          elixir-version: '1.17'
-          otp-version: '27.1.2'
+          elixir-version: ${{ matrix.elixir }}
+          otp-version: ${{ matrix.otp }}
 
       - name: Install dependencies (if not cached)
         run: mix deps.get

diff --git a/mix.exs b/mix.exs
@@ -5,7 +5,8 @@ defmodule ElixirKickoff.MixProject do
     [
       app: :elixir_kickoff,
       version: "0.1.0",
-      elixir: "~> 1.17",
+      elixir: "~> 1.13",
+      erlang: "~> 25.0",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       docs: [