Installing different PostgreSQL server versions in GitHub Actions#

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$ /usr/lib/postgresql/13/bin/postgres --version
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postgres (PostgreSQL) 13.3 (Ubuntu 13.3-1.pgdg20.04+1)

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sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
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wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
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sudo apt-get update
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sudo apt-get -y install postgresql-12

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name: Test
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on: [push]
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jobs:
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  test:
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    runs-on: ubuntu-latest
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    strategy:
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      matrix:
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        postgresql-version: [10, 11, 12, 13]
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    steps:
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    - name: Install PostgreSQL
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      env:
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        POSTGRESQL_VERSION: ${{ matrix.postgresql-version }}
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      run: |
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        sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
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        wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
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        sudo apt-get update
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        sudo apt-get -y install "postgresql-$POSTGRESQL_VERSION"
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    - name: Run tests
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      env:
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        POSTGRESQL_VERSION: ${{ matrix.postgresql-version }}
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      run: |
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        export POSTGRESQL_PATH="/usr/lib/postgresql/$POSTGRESQL_VERSION/bin/postgres"
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        export INITDB_PATH="/usr/lib/postgresql/$POSTGRESQL_VERSION/bin/initdb"
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        pytest