Support for custom environment variable name

.github/workflows/release.yml

@@ -7,7 +7,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - run: git push origin HEAD:v1

.github/workflows/test.yml

@@ -19,10 +19,22 @@ jobs:
     name: ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - run: psql --version
     - uses: ./
     - run: pg_isready --dbname=$POSTGRES_URL
     - run: psql --command='CREATE TABLE tbl()' $POSTGRES_URL
     - run: psql --command='\d' $POSTGRES_URL
     - run: psql --command='SELECT * FROM pg_available_extensions' $POSTGRES_URL
+  test_custom_env:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ./
+      with:
+        env-key: DATABASE_URL
+    - run: pg_isready --dbname=$DATABASE_URL
+    - run: psql --command='CREATE TABLE tbl()' $DATABASE_URL
+    - run: psql --command='\d' $DATABASE_URL
+    - run: psql --command='SELECT * FROM pg_available_extensions' $DATABASE_URL

action.yml

@@ -3,6 +3,11 @@ description: "Start PostgreSQL in the GitHub Actions VM"
 branding:
   icon: "save"
   color: "orange"
+inputs:
+  env-key:
+    description: "Name of the environment variable with the Postgres URL"
+    required: false
+    default: "POSTGRES_URL"
 runs:
   using: "composite"
   steps:
@@ -18,5 +23,5 @@ runs:
     - run: createdb ${USER}
       shell: bash
 
-    - run: echo "POSTGRES_URL=postgres://localhost/${USER}" >> $GITHUB_ENV
+    - run: echo "${{ inputs.env-key }}=postgres://localhost/${USER}" >> $GITHUB_ENV
       shell: bash