Dimas Maryanto

Dimas Maryanto

I am an Instructure at Udemy and Chief Technology Officer at PT. Tabeldata Informatika

Docker for DevOps engineer 16 minute read

Hai semuanya di materi study kasus kali ini kita akan membahas tentang angular development & deployment menggunakan compose file. Diantaranya kita akan membahas

  1. Development on local environment using compose file
  2. Development on docker environment using compose file
  3. Deployment using compose file for production ready

Untuk source-code angular saya ambil dari study kasus sebelumnya

Ok lansung aja kita ke pembahasan yang pertama

Dev on local environment

Untuk development pada local environtment pada dasarnya kita membutuhkan software

  1. NodeJS
  2. angular-cli
  3. Backend spring-boot
  4. Database PostgreSQL

Nah jadi dari beberapa software tersebut klo kita mau running di local, kita perlu install semua. tapi karena di sini misalnya role kita sebagai front-end developer (angular) jadi kita gak ada perlubahan di sisi backend (spring-boot) jadi kita jalankan di docker saja. dengan membuat docker compose seperti berikut:

Jika kita ajalankan hasilnya seperti berikut:

➜ docker git:(compose/angular) docker-compose -p local up -d
Creating network "local_default" with the default driver
Creating volume "local_pg_data" with default driver
Creating local_postgres_1 ... done
Creating local_spring-boot_1 ... done

➜ docker git:(compose/angular) docker-compose -p local ps
       Name                      Command                       State                             Ports
------------------------------------------------------------------------------------------------------------------------
local_postgres_1      docker-entrypoint.sh postgres    Up                      0.0.0.0:5432->5432/tcp,:::5432->5432/tcp
local_spring-boot_1   java -jar -Djava.security. ...   Up (health: starting)   80/tcp,
                                                                               0.0.0.0:8080->8080/tcp,:::8080->8080/tcp

➜ docker git:(compose/angular) docker-compose -p local logs spring-boot
Attaching to local_spring-boot_1
spring-boot_1  |
spring-boot_1  |   .   ____          _            __ _ _
spring-boot_1  |  /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
spring-boot_1  | ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
spring-boot_1  |  \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
spring-boot_1  |   ''  |____| .__|_| |_|_| |_\__, | / / / /
spring-boot_1  |  =========|_|==============|___/=/_/_/_/
spring-boot_1  |  :: Spring Boot ::                (v2.5.2)
spring-boot_1  |
spring-boot_1  | 2021-09-26 05:00:54.135  INFO 1 --- [           main] m.d.u.DockerizeSpringbootAppsApplication : Starting DockerizeSpringbootAppsApplication v2021.07.05.00.18-release using Java 11.0.12 on 093b437aaa72 with PID 1 (/usr/local/share/applications/spring-boot.jar started by www-data in /usr/local/share/applications)
spring-boot_1  | 2021-09-26 05:00:54.142  INFO 1 --- [           main] m.d.u.DockerizeSpringbootAppsApplication : The following profiles are active: default
spring-boot_1  | 2021-09-26 05:00:55.586  INFO 1 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
spring-boot_1  | 2021-09-26 05:00:55.627  INFO 1 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 34 ms. Found 1 JPA repository interfaces.
spring-boot_1  | 2021-09-26 05:00:56.094  INFO 1 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
spring-boot_1  | 2021-09-26 05:00:56.103  INFO 1 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
spring-boot_1  | 2021-09-26 05:00:56.103  INFO 1 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.48]
spring-boot_1  | 2021-09-26 05:00:56.159  INFO 1 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
spring-boot_1  | 2021-09-26 05:00:56.160  INFO 1 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1940 ms
spring-boot_1  | 2021-09-26 05:00:56.420  INFO 1 --- [           main] o.f.c.internal.license.VersionPrinter    : Flyway Community Edition 7.7.3 by Redgate
spring-boot_1  | 2021-09-26 05:00:56.428  INFO 1 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
spring-boot_1  | 2021-09-26 05:00:56.575  INFO 1 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
spring-boot_1  | 2021-09-26 05:00:56.605  INFO 1 --- [           main] o.f.c.i.database.base.DatabaseType       : Database: jdbc:postgresql://postgres:5432/example (PostgreSQL 12.6)
spring-boot_1  | 2021-09-26 05:00:56.639  INFO 1 --- [           main] o.f.core.internal.command.DbValidate     : Successfully validated 1 migration (execution time 00:00.016s)
spring-boot_1  | 2021-09-26 05:00:56.650  INFO 1 --- [           main] o.f.c.i.s.JdbcTableSchemaHistory         : Creating Schema History table "public"."flyway_schema_history" ...
spring-boot_1  | 2021-09-26 05:00:56.671  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : 0 rows affected
spring-boot_1  | 2021-09-26 05:00:56.674  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : 0 rows affected
spring-boot_1  | 2021-09-26 05:00:56.681  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : 0 rows affected
spring-boot_1  | 2021-09-26 05:00:56.701  INFO 1 --- [           main] o.f.core.internal.command.DbMigrate      : Current version of schema "public": << Empty Schema >>
spring-boot_1  | 2021-09-26 05:00:56.718  INFO 1 --- [           main] o.f.core.internal.command.DbMigrate      : Migrating schema "public" to version "1 - schema-awal"
spring-boot_1  | 2021-09-26 05:00:56.726  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : DB: table "mahasiswa" does not exist, skipping
spring-boot_1  | 2021-09-26 05:00:56.726  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : 0 rows affected
spring-boot_1  | 2021-09-26 05:00:56.733  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : 0 rows affected
spring-boot_1  | 2021-09-26 05:00:56.734  INFO 1 --- [           main] o.f.c.i.s.DefaultSqlScriptExecutor       : 1 rows affected
spring-boot_1  | 2021-09-26 05:00:56.744  INFO 1 --- [           main] o.f.core.internal.command.DbMigrate      : Successfully applied 1 migration to schema "public", now at version v1 (execution time 00:00.051s)
spring-boot_1  | 2021-09-26 05:00:56.809  INFO 1 --- [           main] o.hibernate.jpa.internal.util.LogHelper  : HHH000204: Processing PersistenceUnitInfo [name: default]
spring-boot_1  | 2021-09-26 05:00:56.857  INFO 1 --- [           main] org.hibernate.Version                    : HHH000412: Hibernate ORM core version 5.4.32.Final
spring-boot_1  | 2021-09-26 05:00:56.978  INFO 1 --- [           main] o.hibernate.annotations.common.Version   : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}
spring-boot_1  | 2021-09-26 05:00:57.129  INFO 1 --- [           main] org.hibernate.dialect.Dialect            : HHH000400: Using dialect: org.hibernate.dialect.PostgreSQL95Dialect
spring-boot_1  | 2021-09-26 05:00:57.649  INFO 1 --- [           main] o.h.e.t.j.p.i.JtaPlatformInitiator       : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]
spring-boot_1  | 2021-09-26 05:00:57.657  INFO 1 --- [           main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
spring-boot_1  | 2021-09-26 05:00:57.909  WARN 1 --- [           main] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
spring-boot_1  | 2021-09-26 05:00:58.148  WARN 1 --- [           main] ion$DefaultTemplateResolverConfiguration : Cannot find template location: classpath:/templates/ (please add some templates or check your Thymeleaf configuration)
spring-boot_1  | 2021-09-26 05:00:58.302  INFO 1 --- [           main] o.s.b.a.e.web.EndpointLinksResolver      : Exposing 1 endpoint(s) beneath base path '/actuator'
spring-boot_1  | 2021-09-26 05:00:58.342  INFO 1 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
spring-boot_1  | 2021-09-26 05:00:58.356  INFO 1 --- [           main] m.d.u.DockerizeSpringbootAppsApplication : Started DockerizeSpringbootAppsApplication in 4.876 seconds (JVM running for 5.493)

➜ docker git:(compose/angular) npm install
npm WARN ajv-keywords@3.5.2 requires a peer of ajv@^6.9.1 but none is installed. You must install peer dependencies yourself.
npm WARN karma-jasmine-html-reporter@1.7.0 requires a peer of jasmine-core@>=3.8 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.3.2 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.3.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules\webpack-dev-server\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
removed 1 package in 3.866s
87 packages are looking for funding
  run `npm fund` for details

➜ docker git:(compose/angular) npm start
> docker-angular@0.0.0 start C:\Users\dimasm93\Workspaces\udemy\docker
> ng serve
⠋ Generating browser application bundles (phase: setup)...[HPM] Proxy created: /spring-boot  ->  http://localhost:8080
[HPM] Proxy rewrite rule created: "^/spring-boot" ~> ""
[HPM] Subscribed to http-proxy events:  [ 'error', 'close' ]
✔ Browser application bundle generation complete.

Initial Chunk Files   | Names         |      Size
vendor.js             | vendor        |   2.78 MB
polyfills.js          | polyfills     | 508.82 kB
styles.css, styles.js | styles        | 381.01 kB
main.js               | main          |  23.82 kB
runtime.js            | runtime       |   6.58 kB
                      | Initial Total |   3.68 MB

Build at: 2021-09-26T05:02:37.898Z - Hash: 73d216279733def625bc - Time: 5277ms
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
√ Compiled successfully.

Dev on docker environtment

Untuk development di docker environment, pertama kita siapkan dulu SDK environment seperti NodeJS, Angular CLI dengan configurasi seperti berikut.

Update file docker-compose.yaml seperti berikut:

Kemudian buat file baru docker-compose.override.yaml seperti berikut:

Untuk menjalankan perintah ng serve kita perlu script untuk menginstall dependency dan juga menjalankan web server untuk menampilkannya yaitu lite-server jadi kita perlu edit file package.json dengan menambahkan docker-serve dan docker-start seperti berikut:

Dan juga kita buat file baru dengan nama docker-proxy.conf.json seperti berikut:

Nah sekarang kalo kita jalankan maka hasilnya seperti berikut:

➜ docker git:(compose/angular) docker-compose -p dev up angular-cli
dev_angular-cli_1 is up-to-date
Attaching to dev_angular-cli_1
angular-cli_1  |
angular-cli_1  | > docker-angular@0.0.0 docker-install /usr/share/source/angular
angular-cli_1  | > npm install
angular-cli_1  |
angular-cli_1  | npm WARN ajv-keywords@3.5.2 requires a peer of ajv@^6.9.1 but none is installed. You must install peer dependencies yourself.
angular-cli_1  | npm WARN karma-jasmine-html-reporter@1.7.0 requires a peer of jasmine-core@>=3.8 but none is installed. You must install peer dependencies yourself.
angular-cli_1  | npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.3.2 (node_modules/fsevents):
angular-cli_1  | npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.3.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
angular-cli_1  | npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules/webpack-dev-server/node_modules/fsevents):
angular-cli_1  | npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
angular-cli_1  |
angular-cli_1  | audited 1324 packages in 7.995s
angular-cli_1  |
angular-cli_1  | 87 packages are looking for funding
angular-cli_1  |   run `npm fund` for details
angular-cli_1  |
angular-cli_1  | found 28 vulnerabilities (3 moderate, 25 high)
angular-cli_1  |   run `npm audit fix` to fix them, or `npm audit` for details
dev_angular-cli_1 exited with code 0

➜ docker git:(compose/angular) docker-compose -p dev --profile dev up -d
Creating dev_postgres_1 ... done
Creating dev_spring-boot_1 ... done
Creating dev_ng-serve_1    ... done

➜ docker git:(compose/angular) docker-compose -p dev --profile dev ps
      Name                     Command                       State                              Ports
------------------------------------------------------------------------------------------------------------------------
dev_angular-cli_1   docker-entrypoint.sh npm r ...   Exit 0
dev_ng-serve_1      docker-entrypoint.sh npm r ...   Up                      0.0.0.0:4200->4200/tcp,:::4200->4200/tcp
dev_postgres_1      docker-entrypoint.sh postgres    Up                      0.0.0.0:5432->5432/tcp,:::5432->5432/tcp
dev_spring-boot_1   java -jar -Djava.security. ...   Up (health: starting)   80/tcp,
                                                                             0.0.0.0:8080->8080/tcp,:::8080->8080/tcp

➜ docker git:(compose/angular) docker-compose -p dev --profile dev logs -f ng-serve
Attaching to dev_ng-serve_1
ng-serve_1     |
ng-serve_1     | > docker-angular@0.0.0 docker-serve /usr/share/source/angular
ng-serve_1     | > ng serve --proxy-config docker-proxy.conf.json --host 0.0.0.0 --disable-host-check --watch
ng-serve_1     | Warning: Running a server with --disable-host-check is a security risk. See https://medium.com/webpack/webpack-dev-server-middleware-security-issues-1489d950874a for more information.
ng-serve_1     | - Generating browser application bundles (phase: setup)...
ng-serve_1     | [HPM] Proxy created: /spring-boot  ->  http://spring-boot:8080
ng-serve_1     | [HPM] Proxy rewrite rule created: "^/spring-boot" ~> ""
ng-serve_1     | [HPM] Subscribed to http-proxy events:  [ 'error', 'close' ]
ng-serve_1     | ✔ Browser application bundle generation complete.
ng-serve_1     |
ng-serve_1     | Initial Chunk Files | Names         |      Size
ng-serve_1     | vendor.js           | vendor        |   2.78 MB
ng-serve_1     | polyfills.js        | polyfills     | 128.56 kB
ng-serve_1     | main.js             | main          |  23.60 kB
ng-serve_1     | runtime.js          | runtime       |   6.58 kB
ng-serve_1     | styles.css          | styles        | 120 bytes
ng-serve_1     |                     | Initial Total |   2.94 MB
ng-serve_1     |
ng-serve_1     | Build at: 2021-09-26T06:01:54.835Z - Hash: 5be6e5f53084fdea89c7 - Time: 13370ms
ng-serve_1     | ** Angular Live Development Server is listening on 0.0.0.0:4200, open your browser on http://localhost:4200/ **
ng-serve_1     | ✔ Compiled successfully.
ng-serve_1     | [HPM] Rewriting path from "/spring-boot/api/mahasiswa/list" to "/api/mahasiswa/list"
ng-serve_1     | [HPM] GET /spring-boot/api/mahasiswa/list ~> http://spring-boot:8080

## edit file, need restart service
➜ docker git:(compose/angular)  docker-compose -p dev --profile dev restart ng-serve
Restarting dev_ng-serve_1 ... done

Deployment for production ready

Untuk deployment menggunakan compose file, ada beberapa hal yang perlu kita tambahkan dan rubah yaitu

  1. Changed/create from source-code to executeable binnary (.jar) then build docker image
  2. Use different port bind, or expose port only you need
  3. Spesify network for isolate environment
  4. Use different environment, such as strong password for credential database, reduce verbose logging, etc

Berikut implementasinya, buat file baru dengan nama docker-compose.production.yaml seperti berikut:

Sekarang kita bisa jalankan dengan perintah:

docker-compose -f docker-compose.yaml -f docker-compose.production.yaml up -d --build

Jika kita jalankan maka basilnya seperti berikut:

➜ docker git:(compose/angular) docker-compose -p prod `
>> -f docker-compose.yaml `
>> -f docker-compose.production.yaml `
>> up -d --build
Creating network "prod_backend" with the default driver
Creating network "prod_frontend" with the default driver
Creating volume "prod_pg_data" with default driver
Building nginx
[+] Building 104.7s (17/17) FINISHED
 => [internal] load build definition from Dockerfile                                                               0.0s
 => => transferring dockerfile: 32B                                                                                0.0s
 => [internal] load .dockerignore                                                                                  0.0s
 => => transferring context: 34B                                                                                   0.0s
 => [internal] load metadata for docker.io/library/nginx:latest                                                    2.4s
 => [internal] load metadata for docker.io/library/node:14.15-alpine                                               0.0s
 => [auth] library/nginx:pull token for registry-1.docker.io                                                       0.0s
 => [internal] load build context                                                                                  0.0s
 => => transferring context: 20.81kB                                                                               0.0s
 => [npm_install 1/5] FROM docker.io/library/node:14.15-alpine                                                     0.0s
 => [stage-1 1/5] FROM docker.io/library/nginx@sha256:853b221d3341add7aaadf5f81dd088ea943ab9c918766e295321294b035  0.0s
 => CACHED [npm_install 2/5] WORKDIR /var/www/src                                                                  0.0s
 => [npm_install 3/5] COPY . .                                                                                     0.1s
 => [npm_install 4/5] RUN npm install --prod --silence && npm install @angular-devkit/build-angular --silent      71.7s
 => [npm_install 5/5] RUN ./node_modules/@angular/cli/bin/ng build --aot --build-optimizer --configuration=docke  29.9s
 => CACHED [stage-1 2/5] WORKDIR /var/www/html                                                                     0.0s
 => [stage-1 3/5] COPY --from=npm_install /var/www/src/dist/docker-angular .                                       0.0s
 => [stage-1 4/5] COPY .nginx/nginx.template.conf /etc/nginx/templates/default.conf.template                       0.0s
 => [stage-1 5/5] RUN sed -i 's|/usr/share/nginx/html|/var/www/html|g' /etc/nginx/conf.d/default.conf              0.2s
 => exporting to image                                                                                             0.1s
 => => exporting layers                                                                                            0.1s
 => => writing image sha256:d8e3b7682b0ad8194694c246a5439a0a9b38475355783a798648214d4b50c2c7                       0.0s
 => => naming to docker.io/dimmaryanto93/udemy-angular-app:latest                                                  0.0s
Creating prod_postgres_1 ... done
Creating prod_spring-boot_1 ... done
Creating prod_nginx_1       ... done

➜ docker git:(compose/angular) docker-compose -p prod `
>> -f docker-compose.yaml `
>> -f docker-compose.production.yaml `
>> ps
       Name                     Command                       State                        Ports
--------------------------------------------------------------------------------------------------------------
prod_nginx_1         /docker-entrypoint.sh ngin ...   Up (health: starting)   0.0.0.0:80->80/tcp,:::80->80/tcp
prod_postgres_1      docker-entrypoint.sh postgres    Up                      5432/tcp
prod_spring-boot_1   java -jar -Djava.security. ...   Up (health: starting)   80/tcp

➜ docker git:(compose/angular) docker-compose -p prod `
>> -f docker-compose.yaml `
>> -f docker-compose.production.yaml `
>> logs nginx
Attaching to prod_nginx_1
nginx_1        | /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
nginx_1        | /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
nginx_1        | /docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
nginx_1        | 10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
nginx_1        | 10-listen-on-ipv6-by-default.sh: info: /etc/nginx/conf.d/default.conf differs from the packaged version
nginx_1        | /docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
nginx_1        | 20-envsubst-on-templates.sh: Running envsubst on /etc/nginx/templates/default.conf.template to /etc/nginx/conf.d/default.conf
nginx_1        | /docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
nginx_1        | /docker-entrypoint.sh: Configuration complete; ready for start up
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: using the "epoll" event method
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: nginx/1.21.3
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: built by gcc 8.3.0 (Debian 8.3.0-6)
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: OS: Linux 4.19.128-microsoft-standard
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: getrlimit(RLIMIT_NOFILE): 1048576:1048576
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: start worker processes
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: start worker process 35
nginx_1        | 2021/09/26 06:42:08 [notice] 1#1: start worker process 36
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET / HTTP/1.1" 200 541 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET /styles.31d6cfe0d16ae931b73c.css HTTP/1.1" 200 0 "http://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET /runtime.5694b417c6f4c412fb7a.js HTTP/1.1" 200 1092 "http://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET /polyfills.40127cc8705bc19a6766.js HTTP/1.1" 200 36899 "http://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET /main.81cc0b793f9be649aaf3.js HTTP/1.1" 200 249873 "http://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET /favicon.ico HTTP/1.1" 200 948 "http://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
nginx_1        | 172.30.0.1 - - [26/Sep/2021:06:43:01 +0000] "GET /spring-boot/api/mahasiswa/list HTTP/1.1" 200 71 "http://localhost/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36" "-"
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