[BE-Feat] 백엔드 api 도커 컨테이너 실행 스크립트 구현

.gitignore

@@ -1,4 +1,4 @@
 ## intelij idea
 .idea
 
-.DS_Store
+.DS_Store

backend/Dockerfile.dev

@@ -0,0 +1,12 @@
+FROM amazoncorretto:17-alpine
+
+ARG JAR_FILE=backend/build/libs/backend-0.0.1-SNAPSHOT.jar
+RUN apk add --no-cache bash
+
+WORKDIR /app
+
+COPY ${JAR_FILE} app.jar
+COPY script/wait-for-it.sh /app/config/wait-for-it.sh
+RUN chmod +x /app/config/wait-for-it.sh
+
+ENTRYPOINT ["/app/config/wait-for-it.sh", "db:3306", "--", "java", "-Dspring.profiles.active=dev", "-Duser.timezone=Asia/Seoul", "-jar", "app.jar"]

script/docker-compose-dev.yml

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+services:
+  db:
+    image: mysql:8.0
+    container_name: backend_mysql
+    restart: always
+    environment:
+      - MYSQL_ROOT_PASSWORD=1234
+      - MYSQL_DATABASE=app_db
+      - MYSQL_USER=sa
+      - MYSQL_PASSWORD=1234
+      - TZ=Asia/Seoul
+    command:
+      - --character-set-server=utf8mb4
+      - --collation-server=utf8mb4_unicode_ci
+    ports:
+      - "3307:3306"
+
+  api:
+    depends_on:
+      - db
+    image: backend:latest
+    container_name: backend_api
+    ports:
+      - "8080:8080"
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:mysql://backend_mysql:3306/app_db
+      - SPRING_DATASOURCE_USERNAME=sa
+      - SPRING_DATASOURCE_PASSWORD=1234
+      - SPRING_SQL_INIT_MODE=never
+      - TZ=Asia/Seoul

script/setup_and_run.sh

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+#!/bin/bash
+set -e
+
+SCRIPT_DIR=$(pwd)
+BACKEND_DIR=$(cd "$(dirname "$0")/.." && pwd)/backend
+BASE_DIR=$(cd "$(dirname "$0")/.." && pwd)
+
+IMAGE_NAME="backend"
+IMAGE_TAG="latest"
+JAR_FILE="backend/build/libs/backend-0.0.1-SNAPSHOT.jar"
+DOCKERFILE="${BACKEND_DIR}/Dockerfile.dev"
+
+cd ${BACKEND_DIR}
+
+echo "Gradle 빌드 중..."
+
+chmod +x ${BACKEND_DIR}/gradlew
+${BACKEND_DIR}/gradlew clean build
+
+echo "${IMAGE_NAME}/${IMAGE_TAG} 이미지를 빌드 중..."
+
+docker build --build-arg --no-cache -f "${DOCKERFILE}" -t "${IMAGE_NAME}:${IMAGE_TAG}" "${BASE_DIR}"
+
+echo "도커 이미지 빌드 완료"
+
+# ----------------------------------------------
+
+cd ${SCRIPT_DIR}
+echo "👉 docker-compose를 사용하여 API와 MySQL 컨테이너를 실행합니다..."
+
+API_CONTAINER_NAME="backend_api"
+DB_CONTAINER_NAME="backend_mysql"
+
+EXISTING_CONTAINER=$(docker ps -aq --filter "name=^/${API_CONTAINER_NAME}$")
+if [ -n "$EXISTING_CONTAINER" ]; then
+  echo "👉 기존 컨테이너 '$API_CONTAINER_NAME' 발견: 제거합니다..."
+  docker rm -f "$EXISTING_CONTAINER"
+fi
+EXISTING_CONTAINER=$(docker ps -aq --filter "name=^/${DB_CONTAINER_NAME}$")
+if [ -n "$EXISTING_CONTAINER" ]; then
+  echo "👉 기존 컨테이너 '$DB_CONTAINER_NAME' 발견: 제거합니다..."
+  docker rm -f "$EXISTING_CONTAINER"
+fi
+
+docker-compose -f docker-compose-dev.yml up -d
+echo "✅ 모든 서비스가 백그라운드에서 실행 중입니다."

script/wait-for-it.sh

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+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+    cat << USAGE >&2
+Usage:
+    $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+    -h HOST | --host=HOST       Host or IP under test
+    -p PORT | --port=PORT       TCP port under test
+                                Alternatively, you specify the host and port as host:port
+    -s | --strict               Only execute subcommand if the test succeeds
+    -q | --quiet                Don't output any status messages
+    -t TIMEOUT | --timeout=TIMEOUT
+                                Timeout in seconds, zero for no timeout
+    -- COMMAND ARGS             Execute command with args after the test finishes
+USAGE
+    exit 1
+}
+
+wait_for()
+{
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    else
+        echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+    fi
+    WAITFORIT_start_ts=$(date +%s)
+    while :
+    do
+        if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+            nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+            WAITFORIT_result=$?
+        else
+            (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+            WAITFORIT_result=$?
+        fi
+        if [[ $WAITFORIT_result -eq 0 ]]; then
+            WAITFORIT_end_ts=$(date +%s)
+            echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+            break
+        fi
+        sleep 1
+    done
+    return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+    # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+    if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    else
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    fi
+    WAITFORIT_PID=$!
+    trap "kill -INT -$WAITFORIT_PID" INT
+    wait $WAITFORIT_PID
+    WAITFORIT_RESULT=$?
+    if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    fi
+    return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        *:* )
+        WAITFORIT_hostport=(${1//:/ })
+        WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+        WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+        shift 1
+        ;;
+        --child)
+        WAITFORIT_CHILD=1
+        shift 1
+        ;;
+        -q | --quiet)
+        WAITFORIT_QUIET=1
+        shift 1
+        ;;
+        -s | --strict)
+        WAITFORIT_STRICT=1
+        shift 1
+        ;;
+        -h)
+        WAITFORIT_HOST="$2"
+        if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+        shift 2
+        ;;
+        --host=*)
+        WAITFORIT_HOST="${1#*=}"
+        shift 1
+        ;;
+        -p)
+        WAITFORIT_PORT="$2"
+        if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --port=*)
+        WAITFORIT_PORT="${1#*=}"
+        shift 1
+        ;;
+        -t)
+        WAITFORIT_TIMEOUT="$2"
+        if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --timeout=*)
+        WAITFORIT_TIMEOUT="${1#*=}"
+        shift 1
+        ;;
+        --)
+        shift
+        WAITFORIT_CLI=("$@")
+        break
+        ;;
+        --help)
+        usage
+        ;;
+        *)
+        echoerr "Unknown argument: $1"
+        usage
+        ;;
+    esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+    echoerr "Error: you need to provide a host and port to test."
+    usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+    WAITFORIT_ISBUSY=1
+    # Check if busybox timeout uses -t flag
+    # (recent Alpine versions don't support -t anymore)
+    if timeout &>/dev/stdout | grep -q -e '-t '; then
+        WAITFORIT_BUSYTIMEFLAG="-t"
+    fi
+else
+    WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+    wait_for
+    WAITFORIT_RESULT=$?
+    exit $WAITFORIT_RESULT
+else
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        wait_for_wrapper
+        WAITFORIT_RESULT=$?
+    else
+        wait_for
+        WAITFORIT_RESULT=$?
+    fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+    if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+        echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+        exit $WAITFORIT_RESULT
+    fi
+    exec "${WAITFORIT_CLI[@]}"
+else
+    exit $WAITFORIT_RESULT
+fi