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Custom HTML template #14

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5af8e4f
Custom HTML template
jonas-jasas Mar 19, 2023
90aad46
Smaller image
jonas-jasas Mar 19, 2023
8ce3f2b
Custom HTML template
jonas-jasas Mar 19, 2023
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4 changes: 2 additions & 2 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM busybox
FROM busybox:musl
LABEL maintainer="Yusuph Wickama <yusuph.wickama@wickerlabs.com>"
COPY html/index.html entrypoint.sh /
ENV MESSAGE="Sorry for the inconvenience but we\&rsquo;re performing some maintenance at the moment. If you need to you can always <a href=\"mailto:{{mail}}\">{{contact}}<\/a>, otherwise we\&rsquo;ll be back online shortly!"
Expand All @@ -11,4 +11,4 @@ ENV LINK_COLOR="#dc8100"
ENV THEME="Light"
ENV RESPONSE_CODE="503 Service Unavailable"
ENV CONTACT_LINK="contact us"
ENTRYPOINT [ "./entrypoint.sh" ]
ENTRYPOINT [ "./entrypoint.sh" ]
1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -34,6 +34,7 @@ This image came as a result for the need to place a simple maintenance page in t
|`THEME`|Modifies page theme current options `Light` or `Dark`. Defaults to `Light`
|`RESPONSE_CODE`| Specifies the HTTP response code to serve with the maintenance page. Defaults to `503 Service Unavailable` |
|`PORT`| Specifies the port to serve the maintenance page. Defaults to `8080` |
|`HTML`| Specifies custom maintenance page HTML template. Defaults [index.html](html/index.html) |

## Docker
You can easily run or create a docker container for this [image](https://hub.docker.com/r/wickerlabs/maintenance) by using the command:
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18 changes: 10 additions & 8 deletions entrypoint.sh
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@@ -1,10 +1,12 @@
#! /bin/sh
sed -i "s/{{message}}/$(echo ${MESSAGE})/g" index.html
sed -i "s/{{contact}}/$(echo ${CONTACT_LINK})/g" index.html
sed -i "s/{{mail}}/$(echo ${MAIL_ADDRESS})/g" index.html
sed -i "s/{{headline}}/$(echo ${HEADLINE})/g" index.html
sed -i "s/{{team_name}}/$(echo ${TEAM_NAME})/g" index.html
sed -i "s/{{title}}/$(echo ${TITLE})/g" index.html
sed -i "s/{{theme}}/$(echo ${THEME})/g" index.html

while true; do { echo -e "HTTP/1.1 ${RESPONSE_CODE}\r\n"; echo "$(cat index.html)"; } | nc -lvp "$PORT"; done
RESPONSE=`echo "HTTP/1.1 ${RESPONSE_CODE}\n\n ${HTML:=\`cat index.html\`}" | \
sed "s/{{message}}/$(echo ${MESSAGE})/g" | \
sed "s/{{contact}}/$(echo ${CONTACT_LINK})/g" | \
sed "s/{{mail}}/$(echo ${MAIL_ADDRESS})/g" | \
sed "s/{{headline}}/$(echo ${HEADLINE})/g" | \
sed "s/{{team_name}}/$(echo ${TEAM_NAME})/g" | \
sed "s/{{title}}/$(echo ${TITLE})/g" | \
sed "s/{{theme}}/$(echo ${THEME})/g"`

while true; do printf "$RESPONSE" | nc -lzp "$PORT"; done