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[hotfix] Tweak Dokerfile #50

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Jul 8, 2025
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[hotfix] Tweak Dokerfile #50

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tweaks
gocanto Jul 8, 2025
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gocanto Jul 8, 2025
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25 changes: 12 additions & 13 deletions docker/dockerfile-api
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Original file line number Diff line number Diff line change
Expand Up @@ -79,43 +79,42 @@ ARG STORAGE_DIR
ARG LOGS_DIR
ARG MEDIA_DIR
ARG FIXTURES_DIR
ARG APP_HOST_PORT

# Creates a dedicated, non-root user and group for the application.
# Running the application as a non-root user is a critical security best practice.
RUN addgroup -S ${APP_GROUP} && adduser -S ${APP_USER} -G ${APP_GROUP}
RUN addgroup -S ${APP_GROUP} \
&& adduser -S ${APP_USER} -G ${APP_GROUP} -h ${APP_HOME}

# Sets the working directory for the final container.
# Make sure the home exists & switch into it.
WORKDIR ${APP_HOME}

# Creates the necessary storage directories inside the container.
# These folders will be owned by the application user and can be used for runtime file generation.
RUN mkdir -p ${STORAGE_DIR}/${LOGS_DIR} ${STORAGE_DIR}/${MEDIA_DIR}

# Copies the 'fixture' files from the local project directory into the container.
# This is useful for including seed data or other essential files with the application.
COPY ${STORAGE_DIR}/${FIXTURES_DIR} ./${STORAGE_DIR}/${FIXTURES_DIR}/
COPY --chown=${APP_USER}:${APP_GROUP} \
${STORAGE_DIR}/${FIXTURES_DIR} \
./${STORAGE_DIR}/${FIXTURES_DIR}/

# Copies the compiled application binary from the 'builder' stage.
# This is the core of the multi-stage build pattern, ensuring the final image
# contains only the compiled application and not the Go toolchain or source code.
COPY --from=builder ${BUILD_DIR}/${BINARY_NAME} .
COPY --from=builder \
--chown=${APP_USER}:${APP_GROUP} \
${BUILD_DIR}/${BINARY_NAME} \
.

# Copies the timezone database from the 'builder' stage.
# This ensures that time-related functions in the application work correctly.
COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo

# Copies the .env file into the container.
# This allows the application to load its configuration from environment variables.
# For this to work, '.env' must not be in the .dockerignore file.
COPY .env .

# Recursively sets the ownership of all files in the application's home directory.
# This ensures the non-root application user has the correct permissions to execute the binary
# and write to the storage directories.
RUN chown -R ${APP_USER}:${APP_GROUP} ${APP_HOME}

# Switches the context of the container to run as the non-root user.
# Any subsequent commands (like the CMD) will be executed by this user.
# Switch to the non-root user.
USER ${APP_USER}

# Exposes the application's port from the container.
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