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Diffstat (limited to 'v2/src/content/en/slide')
| -rw-r--r-- | v2/src/content/en/slide/local-first.ps | 522 | ||||
| -rw-r--r-- | v2/src/content/en/slide/local-first.slides | 204 | ||||
| -rw-r--r-- | v2/src/content/en/slide/rollouts.ps | 500 | ||||
| -rw-r--r-- | v2/src/content/en/slide/rollouts.slides | 208 |
4 files changed, 0 insertions, 1434 deletions
diff --git a/v2/src/content/en/slide/local-first.ps b/v2/src/content/en/slide/local-first.ps deleted file mode 100644 index 44c5858..0000000 --- a/v2/src/content/en/slide/local-first.ps +++ /dev/null @@ -1,522 +0,0 @@ -%!PS-Adobe-3.0 -%%DocumentMedia: SLIDE 842 595 0 () () -%%EndComments -%%BeginDefaults -%%PageMedia: SLIDE -%%EndDefaults -<< /PageSize [842 595] /ImagingBBox null >> setpagedevice - -/reencode { - exch - findfont - dup length dict - begin - { - 1 index /FID ne - { def } - { pop pop } - ifelse - } forall - /Encoding ISOLatin1Encoding def - currentdict - end - definefont pop -} def -/Courier /Courier reencode -/Helvetica /Helvetica reencode -/Times /Times reencode -/Times-Italic /Times-Italic reencode - - -/headerheight 77 def - -/frontfontsz 60 def -/authorfontsz 40 def -/titlefontsz 40 def -/mainfontsz 30 def -/codefontsz 18 def -/tinyfontsz 18 def - -/titlefont /Helvetica findfont titlefontsz scalefont def -/mainfont /Courier findfont mainfontsz scalefont def -/codefont /Courier findfont codefontsz scalefont def -/tinyfont /Times findfont tinyfontsz scalefont def -/frontfont /Helvetica findfont frontfontsz scalefont def -/authorfont /Times-Italic findfont authorfontsz scalefont def -/authorfonttwo /Times findfont authorfontsz scalefont def - 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frontfont setfont - 0.5 0.5 0.9 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { frontfonth l center show } - linewrap - frontfonth 2 div l - frontfonth l -} def - -/author { - authorfont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { authorfonth l center show } - linewrap -} def - -/authortwo { - authorfonttwo setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { authorfonth l center show } - linewrap -} def - -/header { - /ypos pageheight headerheight sub def - 0 0 0 setrgbcolor - 0 setlinewidth - newpath - 0 pageheight moveto - pagewidth pageheight lineto - pagewidth ypos lineto - 0 ypos lineto - closepath - fill - stroke - leftmargin headermargin moveto - titlefont setfont - 0.5 0.5 0.9 setrgbcolor - center show - leftmargin ypos moveto -} def - -/n { - mainfont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { mainfonth l show } - linewrap -} def - -/cn { - codefont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { codefonth l show } - linewrap -} def - -/tn { - tinyfont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { tinyfonth l show } - linewrap -} def - -/is { - /level1 save def - /showpage {} def -} def - -/ie { - level1 restore -} def - -/bs { - /tbtop ypos def -} def - -/be { - /tm tbtop pad sub def - /bm ypos pad sub def - newpath - leftmargin 10 sub tm moveto - rightmargin tm lineto - rightmargin bm lineto - leftmargin 10 sub bm lineto - closepath - 0 0 0 setrgbcolor - 0.5 setlinewidth - stroke -} def -( On "local-first") title -(Beyond the CRDT silver bullet) authortwo -showpage -%%Page: 1 1 -s -( Part 1) header -( Exposition) title -showpage -%%Page: 2 2 -s -( Target) header -() n -() n -() n -(- documents) n -(- files) n -(- personal data repositories) n -() n -() n -(Not: banking services, e-commerce, social networking, ride-sharing, etc.) n -showpage -%%Page: 3 3 -s -() n -() n -() n -( 7 ideals for local-first software) title -showpage -%%Page: 4 4 -s -() n -() n -() n -( 1 - no spinners: your work at your fingertips) title -showpage -%%Page: 5 5 -s -() n -() n -() n -( 2 - your work is not trapped on one device) title -showpage -%%Page: 6 6 -s -() n -() n -() n -( 3 - the network is optional) title -showpage -%%Page: 7 7 -s -() n -() n -() n -( 4 - seamless collaboration with your colleagues) title -showpage -%%Page: 8 8 -s -() n -() n -() n -( 5 - the long now) title -showpage -%%Page: 9 9 -s -() n -() n -() n -( 6 - security and privacy by default ) title -showpage -%%Page: 10 10 -s -() n -() n -() n -( 7 - you retain ultimate ownership and control) title -showpage -%%Page: 11 11 -s -( Towards a better future) header -() n -() n -() n -() n -( CRDTs \(Conflict-free Replicated Data Types\) as a Foundational Technology) authortwo -showpage -%%Page: 12 12 -s -( Use case) header -() n -bs -(# in node A and node B) cn -(s = "Hello, World") cn -() cn -(# in node A) cn -(s = "Hello, Alice") cn -() cn -(# in node B) cn -(s = "Hello, Bob") cn -be -(How to reconcile those?) n -(- Hello, ABloibce) n -(- Hello, AliceBob) n -(- Hello, BobAlice) n -(- Hello, Alice) n -(...) n -showpage -%%Page: 13 13 -s -( Existing CRDTs differ) title -(- performance) n -(- storage) n -(- compression) n -(- metadata overhead) n -showpage -%%Page: 14 14 -s -() n -() n -() n -( Hint towards the "automerge" CRDT) title -showpage -%%Page: 15 15 -s -() n -() n -() n -() n -() n -() n -(show comparison table, page 9) author -showpage -%%Page: 16 16 -s -( Part 2) header -( Critique) title -showpage -%%Page: 17 17 -s -( Software license) header -() n -() n -() n -("In our opinion, maintaining control and ownership of data does not mean that the software must necessarily be open source.") author -showpage -%%Page: 18 18 -s -( Example 1 - intentional restriction) header -() n -bs -(#!/bin/sh) cn -(TODAY="$\(date +%s\)") cn -(LICENSE_EXPIRATION="$\(date -d 2020-10-27 +%s\)") cn -(if [ "$TODAY" -ge "$LICENSE_EXPIRATION" ]; then) cn -( echo 'License expired!') cn -( exit 1) cn -(fi) cn -(echo $\(\(2 + 2\)\)) cn -be -() n -bs -(# today) cn -($ ./useful-adder.sh) cn -(4) cn -(# tomorrow) cn -($ ./useful-adder.sh) cn -(License expired!) cn -be -showpage -%%Page: 19 19 -s -( Example 2 - unintentional restriction) header -() n -bs -(# today) cn -($ useful-program) cn -(# ... useful output ...) cn -() cn -(# tomorrow, with more data) cn -($ useful-program) cn -(ERROR: Panic! Stack overflow!) cn -be -showpage -%%Page: 20 20 -s -() n -() n -( local-first *requires* free software ) title -(Otherwise "The Long Now" \(ideal nº5\) is lost) n -showpage -%%Page: 21 21 -s -( Denial of existing solutions) header -() n -() n -("In principle it is possible to collaborate without a repository service, e.g. by sending patch files by email, but the majority of Git users rely on GitHub." ) author -() n -(Solution: either GitHub+CRDTs or git send-email ) n -showpage -%%Page: 22 22 -s -( Plain-text formats) header -() n -("Git is highly optimized for code and similar line-based text file") author -() n -(It even pulls software to the plain text directtion, e.g.:) n -(- delivery-templates) n -(- common-core.protocols.config) n -() n -(Why not exploit that more?) n -showpage -%%Page: 23 23 -s -( Ditching of web applications) header -() n -() n -("The architecture of web apps remains fundamentally server-centric) author -() n -(Disagree. Contrast PouchDB with Android Instant Apps) n -showpage -%%Page: 24 24 -s -( Costs are underrated) header -() n -(- storage) n -(- backups) n -(- maintenance) n -() n -(Example: blog vs vlog) n -showpage -%%Page: 25 25 -s -( Real-time collaboration a bit overrated) header -() n -(It is only possible on the presence of reliable, medium-quality network connection) n -() n -() n -("X also works when inside an elevator, subway or plane!") author -showpage -%%Page: 26 26 -s -( On CRDTs and developer experience) header -() n -("For an app developer, how does the use of a CRDT-based data layer compare to existing storage layers like a SQL database, a filesystem, or CoreData? Is a distributed system harder to write software for?) author -() n -(YES.) authortwo -() n -(See "A Note on Distributed Computing") n -showpage -%%Page: 27 27 -s -( Conclusion) header -() n -(Why this is a "paper I love": it took offline-first and ran with it.) n -() n -(But a pinch of CRDT won't make the world local-first. ) n -() n -(The tricky part is the end of the sentence: "in spite of the Cloud".) n -showpage -%%Page: 28 28 -s -( References) header -() n -(1. "Local-First Software: You Own Your Data, in spite of the Cloud", by M. Kleppmann, A. Wiggins, P. Van Hardenberg and M. F. McGranaghan) n -(2. The Morning Paper article) n -(3. "A Note on Distributed Compiting", by J. Waldo, G. Wyant, A. Wollrath and S. Kendall) n -(4. these slides: euandre.org/slide/) n -(5. prose version of this presentation) n -(6. view source) n - -showpage - -%%EOF diff --git a/v2/src/content/en/slide/local-first.slides b/v2/src/content/en/slide/local-first.slides deleted file mode 100644 index fd83115..0000000 --- a/v2/src/content/en/slide/local-first.slides +++ /dev/null @@ -1,204 +0,0 @@ -# On "local-first" - -@Beyond the CRDT silver bullet - ---- -## Part 1 -# Exposition - ---- -## Target -... -- documents -- files -- personal data repositories -.. -Not: banking services, e-commerce, social networking, ride-sharing, etc. - ---- -... -# 7 ideals for local-first software - ---- -... -# 1 - no spinners: your work at your fingertips - ---- -... -# 2 - your work is not trapped on one device - ---- -... -# 3 - the network is optional - ---- -... -# 4 - seamless collaboration with your colleagues - ---- -... -# 5 - the long now - ---- -... -# 6 - security and privacy by default - ---- -... -# 7 - you retain ultimate ownership and control - ---- -## Towards a better future -.... -@ CRDTs (Conflict-free Replicated Data Types) as a Foundational Technology - ---- -## Use case -. - # in node A and node B - s = "Hello, World" - - # in node A - s = "Hello, Alice" - - # in node B - s = "Hello, Bob" - -How to reconcile those? -- Hello, ABloibce -- Hello, AliceBob -- Hello, BobAlice -- Hello, Alice -\... - ---- -# Existing CRDTs differ -- performance -- storage -- compression -- metadata overhead - ---- -... -# Hint towards the "automerge" CRDT - ---- -...... -@@show comparison table, page 9 - ---- -## Part 2 -# Critique - ---- -## Software license -... -@@"In our opinion, maintaining control and ownership of data does not mean that the software must necessarily be open source." - ---- -## Example 1 - intentional restriction -. - #!/bin/sh - TODAY="$(date +%s)" - LICENSE_EXPIRATION="$(date -d 2020-10-27 +%s)" - if [ "$TODAY" -ge "$LICENSE_EXPIRATION" ]; then - echo 'License expired!' - exit 1 - fi - echo $((2 + 2)) -. - # today - $ ./useful-adder.sh - 4 - - # tomorrow - $ ./useful-adder.sh - License expired! ---- -## Example 2 - unintentional restriction -. - # today - $ useful-program - # ... useful output ... - - # tomorrow, with more data - $ useful-program - ERROR: Panic! Stack overflow! - ---- -.. -# local-first *requires* free software - -Otherwise "The Long Now" (ideal nº5) is lost - ---- -## Denial of existing solutions -.. -@@"In principle it is possible to collaborate without a repository service, e.g. by sending patch files by email, but the majority of Git users rely on GitHub." -. -Solution: either GitHub+CRDTs or git send-email - ---- -## Plain-text formats -. -@@"Git is highly optimized for code and similar line-based text file" -. -It even pulls software to the plain text directtion, e.g.: -- delivery-templates -- common-core.protocols.config -. -Why not exploit that more? - ---- -## Ditching of web applications -.. -@@"The architecture of web apps remains fundamentally server-centric -. -% FIXME: links -Disagree. Contrast PouchDB with Android Instant Apps - ---- -## Costs are underrated -. -- storage -- backups -- maintenance -. -Example: blog vs vlog - ---- -## Real-time collaboration a bit overrated -. -It is only possible on the presence of reliable, medium-quality network connection -.. -@@"X also works when inside an elevator, subway or plane!" - ---- -## On CRDTs and developer experience -. -@@"For an app developer, how does the use of a CRDT-based data layer compare to existing storage layers like a SQL database, a filesystem, or CoreData? Is a distributed system harder to write software for? -. -@YES. -. -% FIXME: link -See "A Note on Distributed Computing" - ---- -## Conclusion -. -Why this is a "paper I love": it took offline-first and ran with it. -. -But a pinch of CRDT won't make the world local-first. -. -The tricky part is the end of the sentence: "in spite of the Cloud". - ---- -## References -. -% FIXME: links -1. "Local-First Software: You Own Your Data, in spite of the Cloud", by M. Kleppmann, A. Wiggins, P. Van Hardenberg and M. F. McGranaghan -2. The Morning Paper article -3. "A Note on Distributed Compiting", by J. Waldo, G. Wyant, A. Wollrath and S. Kendall -4. these slides: euandre.org/slide/ -5. prose version of this presentation -6. view source diff --git a/v2/src/content/en/slide/rollouts.ps b/v2/src/content/en/slide/rollouts.ps deleted file mode 100644 index 0a8b39f..0000000 --- a/v2/src/content/en/slide/rollouts.ps +++ /dev/null @@ -1,500 +0,0 @@ -%!PS-Adobe-3.0 -%%DocumentMedia: SLIDE 842 595 0 () () -%%EndComments -%%BeginDefaults -%%PageMedia: SLIDE -%%EndDefaults -<< /PageSize [842 595] /ImagingBBox null >> setpagedevice - -/reencode { - exch - findfont - dup length dict - begin - { - 1 index /FID ne - { def } - { pop pop } - ifelse - } forall - /Encoding ISOLatin1Encoding def - currentdict - end - definefont pop -} def -/Times /Times reencode -/Courier /Courier reencode -/Times-Italic /Times-Italic reencode -/Helvetica /Helvetica reencode - - -/headerheight 75 def - -/frontfontsz 60 def -/authorfontsz 40 def -/titlefontsz 40 def -/mainfontsz 30 def -/codefontsz 18 def -/tinyfontsz 18 def - -/titlefont /Helvetica 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pageheight lineto - pagewidth ypos lineto - 0 ypos lineto - closepath - fill - stroke - leftmargin headermargin moveto - titlefont setfont - 0.5 0.5 0.9 setrgbcolor - center show - leftmargin ypos moveto -} def - -/n { - mainfont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { mainfonth l show } - linewrap -} def - -/cn { - codefont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { codefonth l show } - linewrap -} def - -/tn { - tinyfont setfont - 0 0 0 setrgbcolor - { pagewidth leftmargin 2 mul sub } - { tinyfonth l show } - linewrap -} def - -/is { - /level1 save def - /showpage {} def -} def - -/ie { - level1 restore -} def - -/bs { - /tbtop ypos def -} def - -/be { - /tm tbtop pad sub def - /bm ypos pad sub def - newpath - leftmargin 10 sub tm moveto - rightmargin tm lineto - rightmargin bm lineto - leftmargin 10 sub bm lineto - closepath - 0 0 0 setrgbcolor - 0.5 setlinewidth - stroke -} def -showpage -%%Page: 1 1 -s -( Rollout, feature flag, experiment, operational toggle) title -(Different use cases for backend, frontend and mobile ) authortwo -showpage -%%Page: 2 2 -s -() n -() n -() n -( "Feature flags" tend to come up when talking about continuous deployment) title -showpage -%%Page: 3 3 -s -() n -() n -() n -() n -(CI: continuous integration) authortwo -() n -(CD: continuous delivery) authortwo -() n -(CD: continuous deployment) authortwo -showpage -%%Page: 4 4 -s -( Types) header -() n -() n -() n -(1. rollout) n -(2. feature flag) n -(3. experiment) n -(4. operational toggle) n -showpage -%%Page: 5 5 -s -( Rollout) header -( For *rolling out* a new version of software) title -(Short-lived using percentages) n -(- a new deployment of kubernetes) n -(- new APK released to the Play Store) n -showpage -%%Page: 6 6 -s -( Feature flag) header -( For turning a feature *on* or *off* ) title -(Medium-lived using allow list, A/B test, percentage, app version, etc.) n -(- :new-chargeback-flow) n -(- :new-debit-card-activation-screen) n -showpage -%%Page: 7 7 -s -( Experiment) header -( For analysing behaviour) title -(Medium-lived using allow list and A/B test) n -(- :debit-withdrawal-test) n -showpage -%%Page: 8 8 -s -( Operational toggle) header -( For disabling features in #crash-like situations) title -(Long-lived using percentage) n -(- :bank-barcode-payment) n -(- :savings-bank-barcode-query-provider) n -showpage -%%Page: 9 9 -s -() n -() n -(We know know about the types) authortwo -( But they have different relevance for backend, frontend and mobile) title -showpage -%%Page: 10 10 -s -( backend) header -() n -() n -(1. rollout: k8s blue/green, canary and ~common-rollout~ common-xp) n -(2. feature flag: ~common-rollout~ common-xp and datasets) n -(3. experiment: common-xp) n -(4. operational toggle: ~common-rollout~ common-xp ) n -showpage -%%Page: 11 11 -s -( frontend) header -() n -() n -(1. rollout: CDN and page refreshes) n -(2. feature flag: percentages and maybe IPs \(no :customer/id on the website\)) n -(3. experiment: via dynamic backend control) n -(4. operational toggle: via dynamic backend control ) n -showpage -%%Page: 12 12 -s -( backend) header -() n -() n -(1. rollout: app stores) n -(2. feature flag: via dynamic backend control) n -(3. experiment: via dynamic backend control) n -(4. operational toggle: via dynamic backend control ) n -showpage -%%Page: 13 13 -s -() n -() n -(Key differentiator is) authortwo -( how much *control* we have over the environment) title -showpage -%%Page: 14 14 -s -( backend) header -( full control) title -showpage -%%Page: 15 15 -s -( frontend) header -( partial control) title -(We choose when to make a new version available ) n -showpage -%%Page: 16 16 -s -( mobile) header -( very limited control) title -(- app stores can restrict updates \(worse for iOS\)) n -(- customers still have to download new versions ) n -showpage -%%Page: 17 17 -s -( Costs) title -(- more complex code) n -(- compatibility with old app versions) n -(- nesting is exponential) n -showpage -%%Page: 18 18 -s -( Benefits) title -(- dynamicity) n -showpage -%%Page: 19 19 -s -( weighting costs × benefits) header -( The less control we have, the more we value dynamicity ) title -showpage -%%Page: 20 20 -s -( weighting costs × benefits) header -() n -() n -() n -(- backend: sometimes worth the cost) n -(- frontend: almost always worth the cost) n -(- mobile: *always* worth the cost) n -showpage -%%Page: 21 21 -s -() n -() n -() n -( Best practices) title -showpage -%%Page: 22 22 -s -( dynamic content > feature flag) title -(Always true for mobile, almost always for frontend ) n -showpage -%%Page: 23 23 -s -( Use :include-list for named groups ) title -(Always true for backend, frontend and mobile ) n -bs -({:rules) cn -( #{{:types :include-list) cn -( :content {:filename "debit-team-members.txt"}}}}) cn -be -showpage -%%Page: 24 24 -s -( Always use :app-version) title -(Only for mobile) n -bs -({:rules) cn -( #{{:types :app-version) cn -( :content {:min-version #{{:platform :android) cn -( :code 1000000}) cn -( {:platform :ios) cn -( :code 2000000}}}}}}) cn -be -showpage -%%Page: 25 25 -s -( Extend ~common-rollout~ common-xp if required) title -(That's how :include-list, :app-version, etc. were born) n -showpage -%%Page: 26 26 -s -( Beware of many nested feature flags) title -(True for backend, frontend and mobile) n -showpage -%%Page: 27 27 -s -( Don't delete app-facing feature flags) title -(True for mobile) n -showpage -%%Page: 28 28 -s -() n -() n -() n -( Include a feature flag on the whiteboarding phase) title -showpage -%%Page: 29 29 -s -() n -() n -() n -( Include deleting/retiring the feature flag at the end) title -showpage -%%Page: 30 30 -s -( Avoid renaming a feature flag) title -(Use :app-version with :min-version instead) n -showpage -%%Page: 31 31 -s -() n -() n -() n -( And most importantly...) title -showpage -%%Page: 32 32 -s -( *Always* rely on a feature flag on the app) title -(Never do a hotfix, avoid expedited releases at all costs) n -showpage -%%Page: 33 33 -s -( References) header -() n -(1. "Feature Toggles \(aka Feature Flags\)", by Pete Hodgson) n -(2. "Continuous integration vs. delivery vs. deployment", by Sten Pittet) n -(3. Accelerate, by N. Forsgren, J. Humble and G. Kim) n -(4. these slides: euandre.org/slide/) n -(5. prose version of this presentation) n -(6. view source) n - -showpage - -%%EOF diff --git a/v2/src/content/en/slide/rollouts.slides b/v2/src/content/en/slide/rollouts.slides deleted file mode 100644 index aed745e..0000000 --- a/v2/src/content/en/slide/rollouts.slides +++ /dev/null @@ -1,208 +0,0 @@ ---- -# Rollout, feature flag, experiment, operational toggle - -@Different use cases for backend, frontend and mobile - ---- -... -# "Feature flags" tend to come up when talking about continuous deployment - ---- -.... -@CI: continuous integration -. -@CD: continuous delivery -. -@CD: continuous deployment - ---- -## Types -... -1. rollout -2. feature flag -3. experiment -4. operational toggle - -% {favicon.svg} ---- -## Rollout - -# For *rolling out* a new version of software - -Short-lived using percentages - -% FIXME: links -- a new deployment of kubernetes -- new APK released to the Play Store - ---- -## Feature flag - -# For turning a feature *on* or *off* - -Medium-lived using allow list, A/B test, percentage, app version, etc. - -- :new-chargeback-flow -- :new-debit-card-activation-screen - ---- -## Experiment - -# For analysing behaviour - -Medium-lived using allow list and A/B test - -- :debit-withdrawal-test - ---- -## Operational toggle - -# For disabling features in #crash-like situations - -Long-lived using percentage - -- :bank-barcode-payment -- :savings-bank-barcode-query-provider - ---- -.. -@We know know about the types -# But they have different relevance for backend, frontend and mobile - ---- -## backend -.. -1. rollout: k8s blue/green, canary and ~common-rollout~ common-xp -2. feature flag: ~common-rollout~ common-xp and datasets -3. experiment: common-xp -4. operational toggle: ~common-rollout~ common-xp - ---- -## frontend -.. -1. rollout: CDN and page refreshes -2. feature flag: percentages and maybe IPs (no :customer/id on the website) -3. experiment: via dynamic backend control -4. operational toggle: via dynamic backend control - ---- -## backend -.. -1. rollout: app stores -2. feature flag: via dynamic backend control -3. experiment: via dynamic backend control -4. operational toggle: via dynamic backend control - ---- -.. -@Key differentiator is -# how much *control* we have over the environment - ---- -## backend -# full control -% FIXME: emoji -% 🎉 - ---- -## frontend -# partial control -We choose when to make a new version available - ---- -## mobile -# very limited control -- app stores can restrict updates (worse for iOS) -- customers still have to download new versions - ---- -# Costs -- more complex code -- compatibility with old app versions -- nesting is exponential - ---- -# Benefits -- dynamicity - ---- -## weighting costs × benefits -# The less control we have, the more we value dynamicity - ---- -## weighting costs × benefits -... -- backend: sometimes worth the cost -- frontend: almost always worth the cost -- mobile: *always* worth the cost - ---- -... -# Best practices - ---- -# dynamic content > feature flag -Always true for mobile, almost always for frontend - ---- -# Use :include-list for named groups -Always true for backend, frontend and mobile - - {:rules - #{{:types :include-list - :content {:filename "debit-team-members.txt"}}}} - ---- -# Always use :app-version -Only for mobile - - {:rules - #{{:types :app-version - :content {:min-version #{{:platform :android - :code 1000000} - {:platform :ios - :code 2000000}}}}}} - ---- -# Extend ~common-rollout~ common-xp if required - -That's how :include-list, :app-version, etc. were born - ---- -# Beware of many nested feature flags -True for backend, frontend and mobile - ---- -# Don't delete app-facing feature flags -True for mobile - ---- -... -# Include a feature flag on the whiteboarding phase - ---- -... -# Include deleting/retiring the feature flag at the end - ---- -# Avoid renaming a feature flag -Use :app-version with :min-version instead - ---- -... -# And most importantly... - ---- -# *Always* rely on a feature flag on the app -Never do a hotfix, avoid expedited releases at all costs - ---- -## References -. -% FIXME: links -1. "Feature Toggles (aka Feature Flags)", by Pete Hodgson -2. "Continuous integration vs. delivery vs. deployment", by Sten Pittet -3. Accelerate, by N. Forsgren, J. Humble and G. Kim -4. these slides: euandre.org/slide/ -5. prose version of this presentation -6. view source |