Docker init

docker/start.ps1

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+$ErrorActionPreference = "Stop"
+
+$CONTAINER = "ewc2025-mysql"
+$IMAGE     = "mysql:8.4"
+$ROOT_PASSWORD = "ewc2025root"
+$DATABASE  = "ewc2025"
+$PORT      = "13306"
+
+$SQL_DIR = Resolve-Path "$PSScriptRoot\..\sql"
+
+$exists = docker ps -a --format '{{.Names}}' | Where-Object { $_ -eq $CONTAINER }
+
+if ($exists) {
+    Write-Host "Container '$CONTAINER' already exists -- starting it."
+    docker start $CONTAINER
+} else {
+    Write-Host "Creating and starting '$CONTAINER'."
+    docker run -d `
+        --name $CONTAINER `
+        -e MYSQL_ROOT_PASSWORD=$ROOT_PASSWORD `
+        -e MYSQL_DATABASE=$DATABASE `
+        -p "${PORT}:3306" `
+        -v "${CONTAINER}-data:/var/lib/mysql" `
+        -v "${SQL_DIR}\schema.sql:/docker-entrypoint-initdb.d/01_schema.sql:ro" `
+        $IMAGE
+}
+
+Write-Host "Waiting for MySQL to be ready..."
+while ($true) {
+    $result = docker exec $CONTAINER mysqladmin ping -uroot -p"$ROOT_PASSWORD" --silent 2>$null
+    if ($LASTEXITCODE -eq 0) { break }
+    Start-Sleep -Seconds 1
+}
+
+Write-Host "MySQL 8.4 is up."
+Write-Host "  Host:     127.0.0.1:${PORT}"
+Write-Host "  Database: $DATABASE"
+Write-Host "  User:     root / $ROOT_PASSWORD"

docker/start.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+CONTAINER="ewc2025-mysql"
+IMAGE="mysql:8.4"
+ROOT_PASSWORD="ewc2025root"
+DATABASE="ewc2025"
+PORT="13306"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+SQL_DIR="$(cd "${SCRIPT_DIR}/../sql" && pwd)"
+
+if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER}$"; then
+    echo "Container '${CONTAINER}' already exists — starting it."
+    docker start "${CONTAINER}"
+else
+    echo "Creating and starting '${CONTAINER}'."
+    docker run -d \
+        --name "${CONTAINER}" \
+        -e MYSQL_ROOT_PASSWORD="${ROOT_PASSWORD}" \
+        -e MYSQL_DATABASE="${DATABASE}" \
+        -p "${PORT}:3306" \
+        -v "${CONTAINER}-data:/var/lib/mysql" \
+        -v "${SQL_DIR}/schema.sql:/docker-entrypoint-initdb.d/01_schema.sql:ro" \
+        "${IMAGE}"
+fi
+
+echo "Waiting for MySQL to be ready..."
+until docker exec "${CONTAINER}" mysqladmin ping -uroot -p"${ROOT_PASSWORD}" --silent 2>/dev/null; do
+    sleep 1
+done
+
+echo "MySQL 8.4 is up."
+echo "  Host:     127.0.0.1:${PORT}"
+echo "  Database: ${DATABASE}"
+echo "  User:     root / ${ROOT_PASSWORD}"

docker/stop.ps1

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+$ErrorActionPreference = "Stop"
+
+$CONTAINER = "ewc2025-mysql"
+
+$exists = docker ps -a --format '{{.Names}}' | Where-Object { $_ -eq $CONTAINER }
+
+if (-not $exists) {
+    Write-Host "Container '$CONTAINER' does not exist."
+    exit 0
+}
+
+docker stop $CONTAINER
+Write-Host "Container '$CONTAINER' stopped. Data volume preserved."

docker/stop.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+CONTAINER="ewc2025-mysql"
+
+if ! docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER}$"; then
+    echo "Container '${CONTAINER}' does not exist."
+    exit 0
+fi
+
+docker stop "${CONTAINER}"
+echo "Container '${CONTAINER}' stopped. Data volume preserved."