Create GitHub Actions workflow

.github/workflows/ci.yml

@@ -0,0 +1,55 @@
+name: CI
+
+on:
+  - push
+  - pull_request
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: OTP ${{ matrix.otp }} / Elixir ${{ matrix.elixir }}
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        include:
+          - elixir: 1.12.0
+            otp: 22.3
+          - elixir: 1.15.2
+            otp: 25.3
+    env:
+      MIX_ENV: test
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+      - name: Set up Elixir
+        uses: erlef/setup-beam@v1
+        with:
+          otp-version: ${{ matrix.otp }}
+          elixir-version: ${{ matrix.elixir }}
+      - name: Restore dependencies cache
+        uses: actions/cache@v3
+        with:
+          path: deps
+          key: deps-${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
+          restore-keys: deps-${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-
+      - name: Restore build cache
+        uses: actions/cache@v3
+        with:
+          path: _build/test
+          key: build-${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
+          restore-keys: build-${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-
+      - name: Install dependencies
+        run: mix deps.get
+      - name: Compile dependencies
+        run: mix deps.compile
+      - name: Compile
+        run: mix compile --warnings-as-errors
+      - name: Dialyzer
+        run: mix dialyzer --halt-exit-status
+      - name: Run tests
+        run: mix coveralls.github
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -1,6 +1,6 @@
 # Elixir JSON Schema Validator
 
-[![Build Status](https://app.travis-ci.com/jonasschmidt/ex_json_schema.svg?branch=master)](https://app.travis-ci.com/github/jonasschmidt/ex_json_schema)
+[![Build Status](https://github.com/jonasschmidt/ex_json_schema/actions/workflows/ci/badge.svg?branch=master)](https://github.com/jonasschmidt/ex_json_schema/actions/workflows/ci.yml)
 [![Coverage Status](https://coveralls.io/repos/github/jonasschmidt/ex_json_schema/badge.svg?branch=master)](https://coveralls.io/github/jonasschmidt/ex_json_schema?branch=master)
 [![Module Version](https://img.shields.io/hexpm/v/ex_json_schema.svg)](https://hex.pm/packages/ex_json_schema)
 [![Hex Docs](https://img.shields.io/badge/hex-docs-lightgreen.svg)](https://hexdocs.pm/ex_json_schema/)

mix.exs

@@ -21,7 +21,7 @@ defmodule ExJsonSchema.Mixfile do
       preferred_cli_env: [coveralls: :test, dialyzer: :test],
       dialyzer: [
         plt_add_apps: [:ex_unit],
-        plt_core_path: ".",
+        plt_core_path: "_build/#{Mix.env()}",
         plt_add_deps: :transitive
       ]
     ]