Our clients are more and more growing their new purposes with containers and serverless applied sciences, and are utilizing trendy continuous integration and delivery (CI/CD) instruments to automate the software program supply life cycle. Additionally they preserve numerous present purposes which are constructed and managed manually or utilizing legacy programs. Sustaining these two units of purposes with disparate tooling provides to operational overhead and slows down the tempo of delivering new enterprise capabilities. As a lot as doable, they need to have the ability to standardize their administration tooling and CI/CD processes throughout each their present and new purposes, and see the choice of packaging their present purposes into containers as step one in the direction of conducting that aim.

Nonetheless, containerizing present purposes requires a protracted listing of handbook duties comparable to figuring out utility dependencies, writing dockerfiles, and establishing construct and deployment processes for every utility. These handbook duties are time consuming, error susceptible, and may decelerate the modernization efforts.

Immediately, we’re launching AWS App2Container, a brand new command-line software that helps containerize present purposes which are working on-premises, in Amazon Elastic Compute Cloud (EC2), or in different clouds, with no need any code modifications. App2Container discovers purposes working on a server, identifies their dependencies, and generates related artifacts for seamless deployment to Amazon ECS and Amazon EKS. It additionally offers integration with AWS CodeBuild and AWS CodeDeploy to allow a repeatable option to construct and deploy containerized purposes.

AWS App2Container generates the next artifacts for every utility part: Software artifacts comparable to utility recordsdata/folders, Dockerfiles, container photos in Amazon Elastic Container Registry (ECR), ECS Activity definitions, Kubernetes deployment YAML, CloudFormation templates to deploy the appliance to Amazon ECS or EKS, and templates to arrange a construct/launch pipeline in AWS Codepipeline which additionally leverages AWS CodeBuild and CodeDeploy.

Beginning at present, you need to use App2Container to containerize ASP.NET (.NET 3.5+) internet purposes working in IIS 7.5+ on Home windows, and Java purposes working on Linux—standalone JBoss, Apache Tomcat, and generic Java purposes comparable to Spring Boot, IBM WebSphere, Oracle WebLogic, and many others.

By modernizing present purposes utilizing containers, you can also make them transportable, enhance growth agility, standardize your CI/CD processes, and cut back operational prices. Now let’s see the way it works!

AWS App2Container – Getting Began
AWS App2Container requires that the next stipulations be put in on the server(s) internet hosting your utility: AWS Command Line Interface (CLI) model 1.14 or later, Docker instruments, and (within the case of ASP.NET) Powershell 5.0+ for purposes working on Home windows. Moreover, you want to present acceptable IAM permissions to App2Container to work together with AWS providers.

For instance, let’s look the way you containerize your present Java purposes. App2Container CLI for Linux is packaged as a tar.gz archive. The file offers customers an interactive shell script, set up.sh to put in the App2Container CLI. Working the script guides customers by the set up steps and likewise updates the consumer’s path to incorporate the App2Container CLI instructions.

First, you’ll be able to start by working a one-time initialization on the put in server for the App2Container CLI with the init command.

$ sudo app2container init
Workspace listing path for artifacts[default:  /home/ubuntu/app2container/ws]:
AWS Profile (configured utilizing 'aws configure --profile')[default: default]:  
Elective S3 bucket for utility artifacts (Elective)[default: none]: 
Report utilization metrics to AWS? (Y/N)[default: y]:
Require photos to be signed utilizing Docker Content material Belief (DCT)? (Y/N)[default: n]:
Configuration saved

This units up a workspace to retailer utility containerization artifacts (minimal 20GB of disk house out there). You’ll be able to extract them into your Amazon Simple Storage Service (S3) bucket utilizing your AWS profile configured to make use of AWS providers.

Subsequent, you’ll be able to view Java processes which are working on the appliance server through the use of the stock command. Every Java utility course of has a singular identifier (for instance, java-tomcat-9e8e4799) which is the appliance ID. You should use this ID to seek advice from the appliance with different App2Container CLI instructions.

$ sudo app2container stock
    "java-jboss-5bbe0bec": {
        "processId": 27366,
        "cmdline": "java ... /dwelling/ubuntu/wildfly-10.1.0.Closing/modules org.jboss.as.standalone -Djboss.dwelling.dir=/dwelling/ubuntu/wildfly-10.1.0.Closing -Djboss.server.base.dir=/dwelling/ubuntu/wildfly-10.1.0.Closing/standalone ",
        "applicationType": "java-jboss"
    "java-tomcat-9e8e4799": {
        "processId": 2537,
        "cmdline": "/usr/bin/java ... -Dcatalina.dwelling=/dwelling/ubuntu/tomee/apache-tomee-plume-7.1.1 -Djava.io.tmpdir=/dwelling/ubuntu/tomee/apache-tomee-plume-7.1.1/temp org.apache.catalina.startup.Bootstrap begin ",
        "applicationType": "java-tomcat"

You may as well intialize ASP.NET purposes on an administrator-run PowerShell session of Home windows Servers with IIS model 7.Zero or later. Notice that Docker instruments and container help can be found on Home windows Server 2016 and later variations. You’ll be able to choose to run all app2container operations on the appliance server with Docker instruments put in or use a employee machine with Docker instruments utilizing Amazon ECS-optimized Windows Server AMIs.

PS> app2container stock
    "iis-smarts-51d2dbf8": {
        "siteName": "nopCommerce39",
        "bindings": "http/*:90:",
        "applicationType": "iis"

The stock command shows all IIS web sites on the appliance server that may be containerized. Every IIS web site course of has a singular identifier (for instance, iis-smarts-51d2dbf8) which is the appliance ID. You should use this ID to seek advice from the appliance with different App2Container CLI instructions.

You’ll be able to select a particular utility by referring to its utility ID and generate an evaluation report for the appliance through the use of the analyze command.

$ sudo app2container analyze --application-id java-tomcat-9e8e4799
Created artifacts folder /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799
Generated evaluation knowledge in /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/evaluation.json
Evaluation profitable for utility java-tomcat-9e8e4799
Please look at the identical, make acceptable edits and provoke containerization utilizing "app2container containerize --application-id java-tomcat-9e8e4799"

You should use the evaluation.json template generated by the appliance evaluation to collect info on the analyzed utility that helps establish all system dependencies from the analysisInfo part, and replace containerization parameters to customise the container photos generated for the appliance utilizing the containerParameters part.

$ cat java-tomcat-9e8e4799/evaluation.json
    "a2CTemplateVersion": "1.0",
	"createdTime": "2020-06-24 07:40:5424",
    "containerParameters": {
        "_comment1": "*** EDITABLE: The beneath part might be edited in keeping with the appliance necessities. Please see the analyisInfo part beneath for deetails discoverd concerning the appliance. ***",
        "imageRepository": "java-tomcat-9e8e4799",
        "imageTag": "newest",
        "containerBaseImage": "ubuntu:18.04",
        "coopProcesses": [ 6446, 6549, 6646]
    "analysisInfo": {
        "_comment2": "*** NON-EDITABLE: Evaluation Outcomes ***",
        "processId": 2537
        "appId": "java-tomcat-9e8e4799",
		"userId": "1000",
        "groupId": "1000",
        "cmdline": [...],
        "os": {...},
        "ports": [...]

Additionally, you’ll be able to run the $ app2container extract --application-id java-tomcat-9e8e4799 command to generate an utility archive for the analyzed utility. This is dependent upon the evaluation.json file generated earlier within the workspace folder for the appliance,and adheres to any containerization parameter updates laid out in there. By utilizing extract command, you’ll be able to proceed the workflow on a employee machine after working the primary set of instructions on the appliance server.

Now you’ll be able to containerize command generated Docker photos for the chosen utility.

$ sudo app2container containerize --application-id java-tomcat-9e8e4799
AWS pre-requisite verify succeeded
Docker pre-requisite verify succeeded
Extracted container artifacts for utility
Entry file generated
Dockerfile generated below /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/Artifacts
Generated dockerfile.replace below /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/Artifacts
Generated deployment file at /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/deployment.json
Containerization profitable. Generated docker picture java-tomcat-9e8e4799
You are all set to check and deploy your container picture.

Subsequent Steps:
1. View the container picture with "docker photos" and take a look at the appliance.
2. While you're able to deploy to AWS, please edit the deployment file as wanted at /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/deployment.json.
3. Generate deployment artifacts utilizing app2container generate app-deployment --application-id java-tomcat-9e8e4799

Utilizing this command, you’ll be able to view the generated container photos utilizing Docker photos on the machine the place the containerize command is run. You should use the docker run command to launch the container and take a look at utility performance.

Notice that along with producing container photos, the containerize command additionally generates a deployment.json template file that you need to use with the subsequent generate-appdeployment command. You’ll be able to edit the parameters within the deployment.json template file to vary the picture repository identify to be registered in Amazon ECR, the ECS process definition parameters, or the Kubernetes App identify.

$ cat java-tomcat-9e8e4799/deployment.json
       "a2CTemplateVersion": "1.0",
       "applicationId": "java-tomcat-9e8e4799",
       "imageName": "java-tomcat-9e8e4799",
       "exposedPorts": [
                     "localPort": 8090,
                     "protocol": "tcp6"
       "surroundings": [],
       "ecrParameters": {
              "ecrRepoTag": "newest"
       "ecsParameters": {
              "createEcsArtifacts": true,
              "ecsFamily": "java-tomcat-9e8e4799",
              "cpu": 2,
              "reminiscence": 4096,
              "dockerSecurityOption": "",
              "enableCloudwatchLogging": false,
              "publicApp": true,
              "stackName": "a2c-java-tomcat-9e8e4799-ECS",
              "reuseResources": {
                     "vpcId": "",
                     "cfnStackName": "",
                     "sshKeyPairName": ""
              "gMSAParameters": {
                     "domainSecretsArn": "",
                     "domainDNSName": "",
                     "domainNetBIOSName": "",
                     "createGMSA": false,
                     "gMSAName": ""
       "eksParameters": {
              "createEksArtifacts": false,
              "applicationName": "",
              "stackName": "a2c-java-tomcat-9e8e4799-EKS",
              "reuseResources": {
                     "vpcId": "",
                     "cfnStackName": "",
                     "sshKeyPairName": ""

At this level, the appliance workspace the place the artifacts are generated serves as an iteration sandbox. You’ll be able to select to edit the Dockerfile generated right here to make modifications to their utility and use the docker construct command to construct new container photos as wanted. You’ll be able to generate the artifacts wanted to deploy the appliance containers in Amazon EKS through the use of the generate-deployment command.

$ sudo app2container generate app-deployment --application-id java-tomcat-9e8e4799
AWS pre-requisite verify succeeded
Docker pre-requisite verify succeeded
Created ECR Repository
Uploaded Cloud Formation sources to S3 Bucket: none
Generated Cloud Formation Grasp template at: /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/EksDeployment/amazon-eks-master.template.yaml
EKS Cloudformation templates and extra deployment artifacts generated efficiently for utility java-tomcat-9e8e4799

You are all set to make use of AWS Cloudformation to handle your utility stack.
Subsequent Steps:
1. Edit the cloudformation template as essential.
2. Create an utility stack utilizing the AWS CLI or the AWS Console. AWS CLI command:

       aws cloudformation deploy --template-file /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/EksDeployment/amazon-eks-master.template.yaml --capabilities CAPABILITY_NAMED_IAM --stack-name java-tomcat-9e8e4799

3. Setup a pipeline on your utility stack:

       app2container generate pipeline --application-id java-tomcat-9e8e4799

This command works based mostly on the deployment.json template file produced as a part of working the containerize command. App2Container will now generate ECS/EKS cloudformation templates as nicely and an choice to deploy these stacks.

The command registers the container picture to consumer specified ECR repository, generates cloudformation template for Amazon ECS and EKS deployments. You’ll be able to register ECS process definition with Amazon ECS and use kubectl to launch the containerized utility on the present Amazon EKS or self-managed kubernetes cluster utilizing App2Container generated amazon-eks-master.template.deployment.yaml.

Alternatively, you’ll be able to instantly deploy containerized purposes by --deploy choices into Amazon EKS.

$ sudo app2container generate app-deployment --application-id java-tomcat-9e8e4799 --deploy
AWS pre-requisite verify succeeded
Docker pre-requisite verify succeeded
Created ECR Repository
Uploaded Cloud Formation sources to S3 Bucket: none
Generated Cloud Formation Grasp template at: /dwelling/ubuntu/app2container/ws/java-tomcat-9e8e4799/EksDeployment/amazon-eks-master.template.yaml
Initiated Cloudformation stack creation. This may occasionally take a couple of minutes. Please go to the AWS Cloudformation Console to trace progress.
Deploying utility to EKS

Dealing with ASP.NET Purposes with Home windows Authentication
Containerizing ASP.NET purposes is nearly similar course of as Java purposes, however Home windows containers can’t be instantly area joined. They’ll nonetheless nonetheless use Lively Listing (AD) area identities to help numerous authentication situations.

App2Container detects if a web site is utilizing Home windows authentication and accordingly makes the IIS web site’s utility pool run because the community service identification, and generates the brand new cloudformation templates for Home windows authenticated IIS purposes. The creation of gMSA and AD Safety group, area be part of ECS nodes and making containers use this gMSA are all taken care of by these templates.

Additionally, it offers two PowerShell scripts as output to the $ app2container containerize command together with an instruction file on the way to use it.

The next is an instance output:

PS C:Windowssystem32> app2container containerize --application-id iis-SmartStoreNET-a726ba0b
Working AWS pre-requisite verify...
Working Docker pre-requisite verify...
Container construct full. Please use "docker photos" to view the generated container photos.
Detected that the Web site is utilizing Home windows Authentication.
Producing powershell scripts into C:UsersAdminAppDataLocalapp2containeriis-SmartStoreNET-a726ba0bArtifacts required to setup Container host with Home windows Authentication
Please have a look at C:UsersAdminAppDataLocalapp2containeriis-SmartStoreNET-a726ba0bArtifactsWindowsAuthSetupInstructions.md for setup directions on Home windows Authentication.
A deployment file has been generated below C:UsersAdminAppDataLocalapp2containeriis-SmartStoreNET-a726ba0b
Please edit the identical as wanted and generate deployment artifacts utilizing "app2container generate-deployment"

The primary PowerShellscript, DomainJoinAddToSecGroup.ps1, joins the container host and provides it to an Lively Listing safety group. The second script, CreateCredSpecFile.ps1, creates a Group Managed Service Account (gMSA), grants entry to the Lively Listing safety group, generates the credential spec for this gMSA, and shops it regionally on the container host. You’ll be able to execute these PowerShellscripts on the ECS host. The next is an instance utilization of the scripts:

PS C:Windowssystem32> .DomainJoinAddToSecGroup.ps1 -ADDomainName Dominion.com -ADDNSIp -ADSecurityGroup myIISContainerHosts -CreateADSecurityGroup:$true
PS C:Windowssystem32> .CreateCredSpecFile.ps1 -GMSAName MyGMSAForIIS -CreateGMSA:$true -ADSecurityGroup myIISContainerHosts

Earlier than executing the app2container generate-deployment command, edit the deployment.json file to vary the worth of dockerSecurityOption to the identify of the CredentialSpec file that the CreateCredSpecFile script generated. For instance,
"dockerSecurityOption": "credentialspec:file://dominion_mygmsaforiis.json"

Successfully, any entry to community useful resource made by the IIS server contained in the container for the location will now use the above gMSA to authenticate. The ultimate step is to authorize this gMSA account on the community sources that the IIS server will entry. A typical instance is authorizing this gMSA contained in the SQL Server.

Lastly, if the appliance should hook up with a database to be totally useful and also you run the container in Amazon ECS, be sure that the appliance container created from the Docker picture generated by the software has connectivity to the identical database. You’ll be able to seek advice from this documentation for choices on migrating: MS SQL Server from Windows to Linux on AWS, Database Migration Service, and backup and restore your MS SQL Server to Amazon RDS.

Now Accessible
AWS App2Container is obtainable free. You solely pay for the precise utilization of AWS providers like Amazon EC2, ECS, EKS, and S3 and many others based mostly on their utilization. For particulars, please seek advice from App2Container FAQs and documentations. Give this a attempt, and please ship us suggestions both by your normal AWS Help contacts, on the AWS Forum for ECS, AWS Forum for EKS, or on the container roadmap on Github.


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