Online Dockerfile Editor.
Iterate on Dockerfile configuration with clear highlighting for ops and platform teams.
Completions appear as you type; press Ctrl+Space to open the list. Tab expands snippets where available. Find: Ctrl+F (Cmd+F on Mac). Format: toolbar button or Ctrl+Shift+B for supported languages.
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Iterate on Dockerfile configuration with clear highlighting for ops and platform teams.
Related technologies: Docker Compose, Kubernetes, multi-stage builds — see also YAML Editor, INI Editor, NGINX Editor.
Starter snippet
FROM golang:1.22 AS build
WORKDIR /src
COPY . .
RUN CGO_ENABLED=0 go build -o /out/app .
FROM gcr.io/distroless/static
COPY --from=build /out/app /app
ENTRYPOINT ["/app"]Key/value
# Dockerfile
app_name=demo
log_level=info
port=8080Structured block
server:
host: 0.0.0.0
port: 443
tls: trueVariables
ENV NODE_ENV=productionLoops
N/A — use RUN with shell loops sparinglyFunctions / methods
N/A — use ENTRYPOINT/CMD for process startComments
# line commentEnvironment
ENV NODE_ENV=production
ENV PORT=3000Multi-stage pattern
FROM builder AS build
COPY . .
RUN build
FROM runtime
COPY --from=build /out /appService + healthcheck
# Dockerfile
version: '3.9'
services:
app:
image: myapp:latest
ports:
- '8080:8080'
healthcheck:
test: ['CMD', 'curl', '-f', 'http://localhost:8080/health']
interval: 30s- Does Dockerfile code run on ConversionTab servers?
- No. Editing happens in your browser. Download the file and run it in your usual compiler, runtime, or platform.
- Can I change theme and font size?
- Yes. Use the toolbar above the editor; choices persist in local storage for your browser profile.