feat: Update script to skip Docker if Postgres is already running

Author: utilForever

scripts/init_db.sh

@@ -23,14 +23,17 @@ DB_PORT="${POSTGRES_PORT:=5432}"
 DB_HOST="${POSTGRES_HOST:=localhost}"
 
 # Launch Postgres using Docker
-docker run \
-  -e POSTGRES_USER=${DB_USER} \
-  -e POSTGRES_PASSWORD=${DB_PASSWORD} \
-  -e POSTGRES_DB=${DB_NAME} \
-  -p "${DB_PORT}":5432 \
-  -d postgres \
-  postgres -N 1000
-  # ^ Increased maximum number of connections for testing purposes
+# Allow to skip Docker if a dockerized Postgres database is already running
+if [[ -z "${SKIP_DOCKER}" ]]
+then
+  docker run \
+    -e POSTGRES_USER=${DB_USER} \
+    -e POSTGRES_PASSWORD=${DB_PASSWORD} \
+    -e POSTGRES_DB=${DB_NAME} \
+    -p "${DB_PORT}":5432 \
+    -d postgres \
+    postgres -N 1000
+fi
 
 export PGPASSWORD="${DB_PASSWORD}"
 until psql -h "${DB_HOST}" -U "${DB_USER}" -p "${DB_PORT}" -d "postgres" -c '\q'; do