Uploading my backend server in Ruby on rails and having this issue

Question

#12 [base 4/4] RUN SECRET_KEY_BASE=jkshfd7yw324dfs ./bin/rails assets:precompile

#12 0.107 /bin/sh: 1: ./bin/rails: not found

#12 ERROR: process "/bin/sh -c SECRET_KEY_BASE=jkshfd7yw324dfs ./bin/rails assets:precompile" did not complete successfully: exit code: 127

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> [base 4/4] RUN SECRET_KEY_BASE=jkshfd7yw324dfs ./bin/rails assets:precompile:

0.107 /bin/sh: 1: ./bin/rails: not found

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Dockerfile:28

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26 |         BUNDLE_WITHOUT="development"

27 |     # Docker Config For build

28 | >>> RUN SECRET_KEY_BASE=jkshfd7yw324dfs ./bin/rails assets:precompile

29 |

30 |

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ERROR: failed to solve: process "/bin/sh -c SECRET_KEY_BASE=jkshfd7yw324dfs ./bin/rails assets:precompile" did not complete successfully: exit code: 127

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12 [base 4/4] RUN SECRETKEYBASE=jkshfd7yw324dfs ./bin/rails assets:precompile

12 0.107 /bin/sh: 1: ./bin/rails: not found

12 ERROR: process "/bin/sh -c SECRETKEYBASE=jkshfd7yw324dfs ./bin/rails assets:precompile" did not complete successfully: exit code: 127