diff --git a/pennyway-app-external-api/build.gradle b/pennyway-app-external-api/build.gradle
index ff72ac957..f482cc3fe 100644
--- a/pennyway-app-external-api/build.gradle
+++ b/pennyway-app-external-api/build.gradle
@@ -17,6 +17,9 @@ dependencies {
     implementation project(':pennyway-domain')
     implementation project(':pennyway-infra')
 
+    /* Swagger */
+    implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.4.0'
+
     implementation 'org.springframework.boot:spring-boot-starter-web:3.2.3'
     implementation 'org.springframework.boot:spring-boot-starter-validation:3.2.3'
 }
diff --git a/pennyway-app-external-api/src/main/java/kr/co/pennyway/config/SwaggerConfig.java b/pennyway-app-external-api/src/main/java/kr/co/pennyway/config/SwaggerConfig.java
new file mode 100644
index 000000000..1a55e052b
--- /dev/null
+++ b/pennyway-app-external-api/src/main/java/kr/co/pennyway/config/SwaggerConfig.java
@@ -0,0 +1,69 @@
+package kr.co.pennyway.config;
+
+import io.swagger.v3.oas.annotations.OpenAPIDefinition;
+import io.swagger.v3.oas.annotations.servers.Server;
+import io.swagger.v3.oas.models.Components;
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.info.Info;
+import io.swagger.v3.oas.models.security.SecurityRequirement;
+import io.swagger.v3.oas.models.security.SecurityScheme;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.env.Environment;
+import org.springframework.util.ObjectUtils;
+import org.springframework.web.filter.ForwardedHeaderFilter;
+
+@Configuration
+@OpenAPIDefinition(
+        servers = {
+                @Server(url = "${pennyway.domain.local}", description = "Local Server"),
+                @Server(url = "${pennyway.domain.dev}", description = "Develop Server")
+        }
+)
+@RequiredArgsConstructor
+public class SwaggerConfig {
+        private static final String JWT = "JWT";
+        private final Environment environment;
+
+        @Bean
+        public OpenAPI openAPI() {
+                String activeProfile = "";
+                if (!ObjectUtils.isEmpty(environment.getActiveProfiles()) && environment.getActiveProfiles().length >= 1) {
+                        activeProfile = environment.getActiveProfiles()[0];
+                }
+
+                SecurityRequirement securityRequirement = new SecurityRequirement().addList(JWT);
+
+                return new OpenAPI()
+                        .info(apiInfo(activeProfile))
+                        .addServersItem(new io.swagger.v3.oas.models.servers.Server().url(""))
+                        .addSecurityItem(securityRequirement)
+                        .components(securitySchemes());
+        }
+
+        @Bean
+        ForwardedHeaderFilter forwardedHeaderFilter() {
+                return new ForwardedHeaderFilter();
+        }
+
+        private Components securitySchemes() {
+                final var securitySchemeAccessToken = new SecurityScheme()
+                        .name(JWT)
+                        .type(SecurityScheme.Type.HTTP)
+                        .scheme("Bearer")
+                        .bearerFormat("JWT")
+                        .in(SecurityScheme.In.HEADER)
+                        .name("Authorization");
+
+                return new Components()
+                        .addSecuritySchemes(JWT, securitySchemeAccessToken);
+        }
+
+        private Info apiInfo(String activeProfile) {
+                return new Info()
+                        .title("Pennyway API (" + activeProfile + ")")
+                        .description("지출 관리 SNS 플랫폼 Pennyway API 명세서")
+                        .version("v1.0.0");
+        }
+}
diff --git a/pennyway-app-external-api/src/main/resources/application.yml b/pennyway-app-external-api/src/main/resources/application.yml
index 1e3147ec6..a7d2fe067 100644
--- a/pennyway-app-external-api/src/main/resources/application.yml
+++ b/pennyway-app-external-api/src/main/resources/application.yml
@@ -2,7 +2,12 @@ spring:
   profiles:
     group:
       local: common, domain, infra
-      prod: common, domain, infra
+      dev: common, domain, infra
+
+pennywah:
+  domain:
+    local: ${PENNYWAY_DOMAIN_LOCAL}
+    dev: ${PENNYWAY_DOMAIN_DEV}
 
 jwt:
   secret-key:
@@ -19,8 +24,32 @@ spring:
     activate:
       on-profile: local
 
+springdoc:
+  default-consumes-media-type: application/json;charset=UTF-8
+  default-produces-media-type: application/json;charset=UTF-8
+  swagger-ui:
+    path: /swagger-ui
+    disable-swagger-default-url: true
+    display-request-duration: true
+    operations-sorter: alpha
+  api-docs:
+    groups:
+      enabled: true
+
 ---
 spring:
   config:
     activate:
-      on-profile: prod
\ No newline at end of file
+      on-profile: dev
+
+springdoc:
+  default-consumes-media-type: application/json;charset=UTF-8
+  default-produces-media-type: application/json;charset=UTF-8
+  swagger-ui:
+    path: /swagger-ui
+    disable-swagger-default-url: true
+    display-request-duration: true
+    operations-sorter: alpha
+  api-docs:
+    groups:
+      enabled: true
\ No newline at end of file
diff --git a/pennyway-common/src/main/resources/application-common.yml b/pennyway-common/src/main/resources/application-common.yml
index a0ff13ad6..b1e7bbcd9 100644
--- a/pennyway-common/src/main/resources/application-common.yml
+++ b/pennyway-common/src/main/resources/application-common.yml
@@ -8,4 +8,4 @@ spring:
 spring:
   config:
     activate:
-      on-profile: prod
\ No newline at end of file
+      on-profile: dev
\ No newline at end of file
diff --git a/pennyway-domain/src/main/resources/application-domain.yml b/pennyway-domain/src/main/resources/application-domain.yml
index 7e4f79280..fcf90ab18 100644
--- a/pennyway-domain/src/main/resources/application-domain.yml
+++ b/pennyway-domain/src/main/resources/application-domain.yml
@@ -2,7 +2,7 @@ spring:
   profiles:
     group:
       local: common
-      prod: common
+      dev: common
 
   datasource:
     url: ${DB_URL}
@@ -42,7 +42,7 @@ logging:
 spring:
   config:
     activate:
-      on-profile: prod
+      on-profile: dev
 
   jpa:
     database: MySQL
diff --git a/pennyway-infra/src/main/resources/application-infra.yml b/pennyway-infra/src/main/resources/application-infra.yml
index 306c178f1..ee08bd17e 100644
--- a/pennyway-infra/src/main/resources/application-infra.yml
+++ b/pennyway-infra/src/main/resources/application-infra.yml
@@ -2,7 +2,7 @@ spring:
   profiles:
     group:
       local: common
-      prod: common
+      dev: common
 
 ---
 spring:
@@ -14,4 +14,4 @@ spring:
 spring:
   config:
     activate:
-      on-profile: prod
\ No newline at end of file
+      on-profile: dev
\ No newline at end of file