product · inferred from evidence
FRO
A typo or unsupported instruction in a Dockerfile, likely intended to be FROM.
- Dockerfile parse error line 3: unknown instruction FRO
Fixes 'Dockerfile parse error: unknown instruction' when the Dockerfile has a typo or unsupported instruction. Use when the build fails at parse time naming a line and instruction. Not for 'failed to read dockerfile' (file missing) or RUN f