Docker Swarm VS OPA Gatekeeper
As of 30 October 2026, OPA Gatekeeper is named by 103 companies and Docker Swarm by 134; Docker Swarm skews to companies under 200 people (56% vs 37%), OPA Gatekeeper to companies over 1,000 (39% vs 22%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Docker Swarm's script and mail records show on hundreds of thousands of small sites, OPA Gatekeeper rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Docker Swarm: 2–200 employees
- 56%
- OPA Gatekeeper: 2–200 employees
- 37%
- Docker Swarm: 1,000+ employees
- 22%
- OPA Gatekeeper: 1,000+ employees
- 39%
- Postings per company, 90 days
- 2.3 · 2.2
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Docker Swarm | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 4 | 3% | – | – | outside top 12 |
| 2-10 employees | 10 | 7% | 5 | 5% | Docker Swarm |
| 11-50 employees | 29 | 22% | 15 | 15% | Docker Swarm |
| 51-200 employees | 36 | 27% | 18 | 17% | Docker Swarm |
| 201-500 employees | 14 | 10% | 16 | 16% | OPA Gatekeeper |
| 501-1000 employees | 12 | 9% | 9 | 9% | even |
| 1001-5000 employees | 12 | 9% | 19 | 18% | OPA Gatekeeper |
| 5001-10000 employees | 6 | 4% | 10 | 10% | OPA Gatekeeper |
| 10,001+ employees | 11 | 8% | 11 | 11% | OPA Gatekeeper |
| Segment | Docker Swarm | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 91 | 68% | 46 | 45% | Docker Swarm |
| Manufacturing & industry | 13 | 10% | 14 | 14% | OPA Gatekeeper |
| Business & finance services | 10 | 7% | 22 | 21% | OPA Gatekeeper |
| Utilities & infrastructure | 5 | 4% | – | – | outside top 12 |
| Consumer services & leisure | 4 | 3% | 1 | 1% | Docker Swarm |
| Media & content | 4 | 3% | 3 | 3% | even |
| Commerce & trade | 2 | 1% | 1 | 1% | even |
| Public, community & associations | 2 | 1% | 4 | 4% | OPA Gatekeeper |
| Property & construction | 2 | 1% | 4 | 4% | OPA Gatekeeper |
| Transport, logistics & rental | 1 | 1% | 2 | 2% | even |
| Health care | – | – | 3 | 3% | outside top 12 |
| Automotive | – | – | 1 | 1% | outside top 12 |
| Hospitality & travel | – | – | 1 | 1% | outside top 12 |
| Segment | Docker Swarm | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| United States | 79 | 59% | 70 | 68% | OPA Gatekeeper |
| France | 10 | 7% | – | – | outside top 12 |
| United Kingdom | 9 | 7% | 11 | 11% | OPA Gatekeeper |
| Germany | 5 | 4% | 3 | 3% | even |
| Netherlands | 4 | 3% | – | – | outside top 12 |
| Australia | 2 | 1% | 3 | 3% | even |
| Canada | 2 | 1% | 2 | 2% | even |
| Spain | 2 | 1% | 1 | 1% | even |
| Italy | 2 | 1% | – | – | outside top 12 |
| Poland | 2 | 1% | 2 | 2% | even |
| United Arab Emirates | 1 | 1% | 1 | 1% | even |
| Belgium | 1 | 1% | 1 | 1% | even |
| Singapore | – | – | 2 | 2% | outside top 12 |
| Switzerland | – | – | 1 | 1% | outside top 12 |
| Denmark | – | – | 1 | 1% | outside top 12 |
| Segment | Docker Swarm | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 303 | 70% | 135 | 49% | Docker Swarm |
| IT operations & business systems | 59 | 14% | 65 | 23% | OPA Gatekeeper |
| Engineering (non-software) | 14 | 3% | 10 | 4% | even |
| Data & AI | 11 | 3% | 5 | 2% | even |
| Sales | 6 | 1% | 6 | 2% | even |
| Customer service & success | 3 | 1% | 2 | 1% | even |
| Education & training | 1 | 0% | – | – | outside top 12 |
| General management & consulting | 1 | 0% | – | – | outside top 12 |
| Product, program & project management | – | – | 9 | 3% | outside top 12 |
| Procurement and purchasing | – | – | 5 | 2% | outside top 12 |
| Administration & office | – | – | 3 | 1% | outside top 12 |
| Finance & accounting | – | – | 2 | 1% | outside top 12 |
| Legal, compliance & risk | – | – | 2 | 1% | outside top 12 |
| Skilled trades and field service | – | – | 2 | 1% | outside top 12 |
The companies behind each column
Companies using Docker Swarm →
Companies using OPA Gatekeeper →
container orchestration ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
OPA Gatekeeper is named by 103 companies in job postings and Docker Swarm by 134; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/docker-swarm-vs-opa-gatekeeper)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Docker Swarm vs OPA Gatekeeper: questions
Which is more used, Docker Swarm or OPA Gatekeeper?
By companies naming it in their own job postings, Docker Swarm (134) over OPA Gatekeeper (103). By website-and-DNS footprint, OPA Gatekeeper (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Docker Swarm?
56% of Docker Swarm companies have 2 to 200 employees, against 37% for OPA Gatekeeper. 22% of Docker Swarm companies have over 1,000 employees, against 39% for OPA Gatekeeper.
Do companies run both?
0 companies name both in their postings, usually Docker Swarm in marketing and OPA Gatekeeper in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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