mirror of
https://github.com/LukeMathWalker/zero-to-production.git
synced 2024-09-27 13:50:03 +00:00
71 lines
2.4 KiB
Bash
Executable file
71 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -x
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set -eo pipefail
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if ! [ -x "$(command -v sqlx)" ]; then
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echo >&2 "Error: sqlx is not installed."
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echo >&2 "Use:"
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echo >&2 " cargo install --version='~0.8' sqlx-cli --no-default-features --features rustls,postgres"
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echo >&2 "to install it."
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exit 1
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fi
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# Check if a custom parameter has been set, otherwise use default values
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DB_PORT="${DB_PORT:=5432}"
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SUPERUSER="${SUPERUSER:=postgres}"
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SUPERUSER_PWD="${SUPERUSER_PWD:=password}"
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APP_USER="${APP_USER:=app}"
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APP_USER_PWD="${APP_USER_PWD:=secret}"
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APP_DB_NAME="${APP_DB_NAME:=newsletter}"
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# Allow to skip Docker if a dockerized Postgres database is already running
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if [[ -z "${SKIP_DOCKER}" ]]
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then
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# if a postgres container is running, print instructions to kill it and exit
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RUNNING_POSTGRES_CONTAINER=$(docker ps --filter 'name=postgres' --format '{{.ID}}')
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if [[ -n $RUNNING_POSTGRES_CONTAINER ]]; then
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echo >&2 "there is a postgres container already running, kill it with"
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echo >&2 " docker kill ${RUNNING_POSTGRES_CONTAINER}"
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exit 1
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fi
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CONTAINER_NAME="postgres_$(date '+%s')"
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# Launch postgres using Docker
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docker run \
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--env POSTGRES_USER=${SUPERUSER} \
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--env POSTGRES_PASSWORD=${SUPERUSER_PWD} \
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--health-cmd="pg_isready -U ${SUPERUSER} || exit 1" \
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--health-interval=1s \
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--health-timeout=5s \
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--health-retries=5 \
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--publish "${DB_PORT}":5432 \
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--detach \
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--name "${CONTAINER_NAME}" \
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postgres -N 1000
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# ^ Increased maximum number of connections for testing purposes
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until [ \
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"$(docker inspect -f "{{.State.Health.Status}}" ${CONTAINER_NAME})" == \
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"healthy" \
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]; do
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>&2 echo "Postgres is still unavailable - sleeping"
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sleep 1
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done
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# Create the application user
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CREATE_QUERY="CREATE USER ${APP_USER} WITH PASSWORD '${APP_USER_PWD}';"
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docker exec -it "${CONTAINER_NAME}" psql -U "${SUPERUSER}" -c "${CREATE_QUERY}"
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# Grant create db privileges to the app user
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GRANT_QUERY="ALTER USER ${APP_USER} CREATEDB;"
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docker exec -it "${CONTAINER_NAME}" psql -U "${SUPERUSER}" -c "${GRANT_QUERY}"
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fi
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>&2 echo "Postgres is up and running on port ${DB_PORT} - running migrations now!"
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# Create the application database
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DATABASE_URL=postgres://${APP_USER}:${APP_USER_PWD}@localhost:${DB_PORT}/${APP_DB_NAME}
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export DATABASE_URL
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sqlx database create
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sqlx migrate run
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>&2 echo "Postgres has been migrated, ready to go!"
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