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Let's Encrypt VS containerd

Compare Let's Encrypt VS containerd and see what are their differences

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  3. » Reviews
  4. » Alternatives

Let's Encrypt logo Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).

containerd logo containerd

An industry-standard container runtime with an emphasis on simplicity, robustness and portability
  • Let's Encrypt Landing page
    Landing page //
    2023-07-12
  • containerd Landing page
    Landing page //
    2022-04-15

Let's Encrypt features and specs

  • Free of Charge
    Let's Encrypt provides SSL/TLS certificates at no cost, making it an economical choice for individuals and businesses.
  • Automated Certificate Issuance and Renewal
    The process of obtaining and renewing certificates can be automated using the ACME protocol, reducing manual intervention and administrative overhead.
  • Ease of Use
    Let's Encrypt simplifies the process of enabling HTTPS for websites, even for users with limited technical expertise.
  • Security
    Let's Encrypt certificates provide strong encryption, improving the security of data transmitted between clients and servers.
  • Widely Recognized
    Certificates issued by Let's Encrypt are trusted by all major web browsers and operating systems.
  • Promotes Secure Web Practices
    By making SSL/TLS certificates freely available, Let's Encrypt encourages more websites to adopt HTTPS, contributing to a more secure internet.

Possible disadvantages of Let's Encrypt

  • Short Duration of Certificates
    Let's Encrypt certificates are valid for only 90 days, requiring more frequent renewals compared to traditional certificate authorities.
  • Limited Support Options
    Let's Encrypt relies on community support and documentation, and does not offer dedicated customer support for troubleshooting and assistance.
  • No Extended Validation (EV) Certificates
    Let's Encrypt does not issue Extended Validation (EV) certificates, which provide additional verification and a higher level of trust for business websites.
  • Potential for Misuse
    Since certificates are issued for free and with minimal validation, there is a risk that cybercriminals might use them for phishing or other malicious activities.
  • No Wildcard Certificates for Multi-Level Subdomains
    While Let's Encrypt supports wildcard certificates for single-level subdomains, it doesn't support them for nested subdomains (e.g., *.sub.example.com).
  • Reliance on Third-Party Tools for Automation
    Users may need to rely on third-party tools or scripts for automation, which could introduce additional complexity or security risks.

containerd features and specs

  • Lightweight
    Containerd focuses on providing core container primitives, making it lightweight and efficient compared to more comprehensive container management platforms.
  • CNCF Graduated
    Being a CNCF (Cloud Native Computing Foundation) graduated project means containerd has undergone rigorous scrutiny and is recognized as stable and secure.
  • Highly Modular
    Containerd provides a well-defined API with gRPC, making it highly modular and allowing for fine-grained control over container lifecycle management.
  • Kubernetes Integration
    Containerd acts as the default container runtime for Kubernetes via the CRI (Container Runtime Interface) plugin, ensuring excellent synergy with Kubernetes-managed environments.
  • Vendor-Neutral
    Containerd is an open-source project that is vendor-neutral, promoting community collaboration and reducing vendor lock-in.
  • Wide Industry Support
    Spearheaded initially by Docker, containerd has received wide support from tech giants like Google and Alibaba, ensuring a broad and robust adoption across the industry.

Possible disadvantages of containerd

  • Limited to Container Management
    Unlike platforms like Docker, containerd focuses solely on container lifecycle management and does not offer advanced networking, storage solutions, or orchestration engines.
  • Complex Integration
    While offering a high level of control, containerd’s modularity can translate into higher complexity when it comes to integrating it with other tools, such as monitoring and logging systems.
  • Fewer Features Out-of-the-Box
    Containerd provides fewer features out-of-the-box compared to more comprehensive container management systems, which may require additional components to achieve a similar feature set.
  • Steeper Learning Curve
    Due to its focus on being a low-level runtime, containerd can have a steeper learning curve for users not familiar with container runtime internals.

Let's Encrypt videos

No Let's Encrypt videos yet. You could help us improve this page by suggesting one.

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containerd videos

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Deep Dive: containerd - Derek McGowan, Docker & Phil Estes, IBM Cloud

Category Popularity

0-100% (relative to Let's Encrypt and containerd)

Let's Encrypt

containerd

Security & Privacy
100 100%
Security & Privacy
0% 0
Cloud Computing
0 0%
Cloud Computing
100% 100
Identity And Access Management
100 100%
Identity And Access Management
0% 0
Developer Tools
0 0%
Developer Tools
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Let's Encrypt and containerd

Let's Encrypt Reviews

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containerd Reviews

5 Container Alternatives to Docker
containerd is described as “an industry-standard container runtime with an emphasis on simplicity, robustness and portability.” An incubating project of the Cloud Native Computing Foundation, containerd is available as a daemon for Linux or Windows.
Source: containerjournal.com

Social recommendations and mentions

Based on our record, Let's Encrypt should be more popular than containerd. It has been mentiond 338 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Let's Encrypt mentions (338)

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containerd mentions (55)

  • Kubernetes Without Docker: Why Container Runtimes Are Changing the Game in 2025
    Containerd Official Site The runtime powering most cloud K8s clusters and your future mental breakdowns. - Source: dev.to / 18 days ago
  • Creating containers with containerd on ARM
    Also, Containers are the tool when you want to speed your process of updating your software and get modularity and portability when deploying your solutions. In this post you will learn how containerd together with nerdctl can help you with this use case scenario. Check their official websites for more info https://containerd.io and https://github.com/containerd/nerdctl. - Source: dev.to / 3 months ago
  • Beyond Docker - A DevOps Engineer's Guide to Container Alternatives
    Having operated large Kubernetes clusters, one learns to love the focused approach of containerd. A light-weight, high-performance container runtime, it powers a lot of container platforms, including indirectly, Kubernetes. From my experience, containerd really does one thing and does it well: it runs containers efficiently. - Source: dev.to / 5 months ago
  • Top 8 Docker Alternatives to Consider in 2025
    Containerd operates as a fundamental container runtime that manages the complete container lifecycle, functioning at a lower level than Docker while providing core container operations. - Source: dev.to / 5 months ago
  • You run containers, not dockers - Discussing Docker variants, components and versioning
    So once we had a single binary, then "Docker, Inc" started separating the functionalities into multiple binaries on Linux. That was the beginning the of dependencies and components we have today, except that these dependencies are now not limited to Docker. Containerd can also be the container runtime of Kubernetes. - Source: dev.to / 7 months ago
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What are some alternatives?

When comparing Let's Encrypt and containerd, you can also consider the following products

OpenSSL - OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and …

Podman - Simple debugging tool for pods and images

Ensighten - Ensighten provides enterprise tag management solutions that enable businesses manage their websites more effectively.

CRI-O - Lightweight Container Runtime for Kubernetes

AWS Certificate Manager - AWS Certificate Manager from Amazon Web Services (AWS)

rkt - App Container runtime

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